Finding the Fourth Proportional to 139,781,886.28, 209,672,829.34 and 42,737,594

Step by Step Solution

1. Step 1: Write the proportion equation
   139,781,886.28 : 209,672,829.34 = 42,737,594 : x
2. Step 2: Convert to fraction form
   139,781,886.28/209,672,829.34 = 42,737,594/x
3. Step 3: Cross multiply
   139,781,886.28x = 209,672,829.34 × 42,737,594
4. Step 4: Simplify right side
   139,781,886.28x = 8,960,912,253,164,208
5. Step 5: Solve for x
   x = 8,960,912,253,164,208/139,781,886.28
6. Step 6: Final answer
   x = 64,106,390.98