Finding the Fourth Proportional to 96,146,721.31, 132,688,081.53 and 54,329,721.25

Step by Step Solution

1. Step 1: Write the proportion equation
   96,146,721.31 : 132,688,081.53 = 54,329,721.25 : x
2. Step 2: Convert to fraction form
   96,146,721.31/132,688,081.53 = 54,329,721.25/x
3. Step 3: Cross multiply
   96,146,721.31x = 132,688,081.53 × 54,329,721.25
4. Step 4: Simplify right side
   96,146,721.31x = 7,208,906,482,722,174
5. Step 5: Solve for x
   x = 7,208,906,482,722,174/96,146,721.31
6. Step 6: Final answer
   x = 74,978,183.18