Finding the Fourth Proportional to 139,610,974.38, 209,144,024.61 and 108,761,104.56

Step by Step Solution

1. Step 1: Write the proportion equation
   139,610,974.38 : 209,144,024.61 = 108,761,104.56 : x
2. Step 2: Convert to fraction form
   139,610,974.38/209,144,024.61 = 108,761,104.56/x
3. Step 3: Cross multiply
   139,610,974.38x = 209,144,024.61 × 108,761,104.56
4. Step 4: Simplify right side
   139,610,974.38x = 22,746,735,128,707,424
5. Step 5: Solve for x
   x = 22,746,735,128,707,424/139,610,974.38
6. Step 6: Final answer
   x = 162,929,420.34