Finding the Fourth Proportional to 115,139,301.33, 172,786,662.42 and 45,100,842.53

Step by Step Solution

1. Step 1: Write the proportion equation
   115,139,301.33 : 172,786,662.42 = 45,100,842.53 : x
2. Step 2: Convert to fraction form
   115,139,301.33/172,786,662.42 = 45,100,842.53/x
3. Step 3: Cross multiply
   115,139,301.33x = 172,786,662.42 × 45,100,842.53
4. Step 4: Simplify right side
   115,139,301.33x = 7,792,824,053,088,688
5. Step 5: Solve for x
   x = 7,792,824,053,088,688/115,139,301.33
6. Step 6: Final answer
   x = 67,681,703.49