Finding the Fourth Proportional to 139,610,966.94, 209,144,013.50 and 108,761,097.10

Step by Step Solution

1. Step 1: Write the proportion equation
   139,610,966.94 : 209,144,013.50 = 108,761,097.10 : x
2. Step 2: Convert to fraction form
   139,610,966.94/209,144,013.50 = 108,761,097.10/x
3. Step 3: Cross multiply
   139,610,966.94x = 209,144,013.50 × 108,761,097.10
4. Step 4: Simplify right side
   139,610,966.94x = 22,746,732,360,157,208
5. Step 5: Solve for x
   x = 22,746,732,360,157,208/139,610,966.94
6. Step 6: Final answer
   x = 162,929,409.19