Finding the Fourth Proportional to 42,921,960,065.91, 64,382,924,945.30 and 11,478,792,109.84

Step by Step Solution

1. Step 1: Write the proportion equation
   42,921,960,065.91 : 64,382,924,945.30 = 11,478,792,109.84 : x
2. Step 2: Convert to fraction form
   42,921,960,065.91/64,382,924,945.30 = 11,478,792,109.84/x
3. Step 3: Cross multiply
   42,921,960,065.91x = 64,382,924,945.30 × 11,478,792,109.84
4. Step 4: Simplify right side
   42,921,960,065.91x = 739,038,210,870,390,292,480
5. Step 5: Solve for x
   x = 739,038,210,870,390,292,480/42,921,960,065.91
6. Step 6: Final answer
   x = 17,218,184,112.18