Finding the Fourth Proportional to 139,359,825.14, 209,026,229.81 and 42,316,385.76

Step by Step Solution

1. Step 1: Write the proportion equation
   139,359,825.14 : 209,026,229.81 = 42,316,385.76 : x
2. Step 2: Convert to fraction form
   139,359,825.14/209,026,229.81 = 42,316,385.76/x
3. Step 3: Cross multiply
   139,359,825.14x = 209,026,229.81 × 42,316,385.76
4. Step 4: Simplify right side
   139,359,825.14x = 8,845,234,574,386,789
5. Step 5: Solve for x
   x = 8,845,234,574,386,789/139,359,825.14
6. Step 6: Final answer
   x = 63,470,476.99