Finding the Fourth Proportional to 139,781,886.53, 209,672,829.72 and 42,737,594.24

Step by Step Solution

1. Step 1: Write the proportion equation
   139,781,886.53 : 209,672,829.72 = 42,737,594.24 : x
2. Step 2: Convert to fraction form
   139,781,886.53/209,672,829.72 = 42,737,594.24/x
3. Step 3: Cross multiply
   139,781,886.53x = 209,672,829.72 × 42,737,594.24
4. Step 4: Simplify right side
   139,781,886.53x = 8,960,912,320,250,155
5. Step 5: Solve for x
   x = 8,960,912,320,250,155/139,781,886.53
6. Step 6: Final answer
   x = 64,106,391.34