Finding the Fourth Proportional to 90,308.55, 124,627.82 and 51,545.60

Step by Step Solution

1. Step 1: Write the proportion equation
   90,308.55 : 124,627.82 = 51,545.60 : x
2. Step 2: Convert to fraction form
   90,308.55/124,627.82 = 51,545.60/x
3. Step 3: Cross multiply
   90,308.55x = 124,627.82 × 51,545.60
4. Step 4: Simplify right side
   90,308.55x = 6,424,015,758.59
5. Step 5: Solve for x
   x = 6,424,015,758.59/90,308.55
6. Step 6: Final answer
   x = 71,134.08