Finding the Fourth Proportional to 116,140,916.82, 160,278,694.32 and 63,215,068.20

Step by Step Solution

1. Step 1: Write the proportion equation
   116,140,916.82 : 160,278,694.32 = 63,215,068.20 : x
2. Step 2: Convert to fraction form
   116,140,916.82/160,278,694.32 = 63,215,068.20/x
3. Step 3: Cross multiply
   116,140,916.82x = 160,278,694.32 × 63,215,068.20
4. Step 4: Simplify right side
   116,140,916.82x = 10,132,028,592,445,752
5. Step 5: Solve for x
   x = 10,132,028,592,445,752/116,140,916.82
6. Step 6: Final answer
   x = 87,239,096.00