Finding the Fourth Proportional to 139,610,967.94, 209,144,015 and 108,761,098.10

Step by Step Solution

1. Step 1: Write the proportion equation
   139,610,967.94 : 209,144,015 = 108,761,098.10 : x
2. Step 2: Convert to fraction form
   139,610,967.94/209,144,015 = 108,761,098.10/x
3. Step 3: Cross multiply
   139,610,967.94x = 209,144,015 × 108,761,098.10
4. Step 4: Simplify right side
   139,610,967.94x = 22,746,732,732,442,872
5. Step 5: Solve for x
   x = 22,746,732,732,442,872/139,610,967.94
6. Step 6: Final answer
   x = 162,929,410.69