Finding the Fourth Proportional to 102,100.20, 140,877.62 and 59,650.53

Step by Step Solution

1. Step 1: Write the proportion equation
   102,100.20 : 140,877.62 = 59,650.53 : x
2. Step 2: Convert to fraction form
   102,100.20/140,877.62 = 59,650.53/x
3. Step 3: Cross multiply
   102,100.20x = 140,877.62 × 59,650.53
4. Step 4: Simplify right side
   102,100.20x = 8,403,424,399.89
5. Step 5: Solve for x
   x = 8,403,424,399.89/102,100.20
6. Step 6: Final answer
   x = 82,305.66