Finding the Fourth Proportional to 2,669,953.47, 4,004,955.32 and 648,215.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,669,953.47 : 4,004,955.32 = 648,215.15 : x
2. Step 2: Convert to fraction form
   2,669,953.47/4,004,955.32 = 648,215.15/x
3. Step 3: Cross multiply
   2,669,953.47x = 4,004,955.32 × 648,215.15
4. Step 4: Simplify right side
   2,669,953.47x = 2,596,072,690,231.25
5. Step 5: Solve for x
   x = 2,596,072,690,231.25/2,669,953.47
6. Step 6: Final answer
   x = 972,328.81