Finding the Fourth Proportional to 137,787,196.50, 206,648,144.73 and 39,415,870.08

Step by Step Solution

1. Step 1: Write the proportion equation
   137,787,196.50 : 206,648,144.73 = 39,415,870.08 : x
2. Step 2: Convert to fraction form
   137,787,196.50/206,648,144.73 = 39,415,870.08/x
3. Step 3: Cross multiply
   137,787,196.50x = 206,648,144.73 × 39,415,870.08
4. Step 4: Simplify right side
   137,787,196.50x = 8,145,216,424,950,716
5. Step 5: Solve for x
   x = 8,145,216,424,950,716/137,787,196.50
6. Step 6: Final answer
   x = 59,114,465.15