Finding the Fourth Proportional to 90,089.42, 124,326.90 and 59,822.55

Step by Step Solution

1. Step 1: Write the proportion equation
   90,089.42 : 124,326.90 = 59,822.55 : x
2. Step 2: Convert to fraction form
   90,089.42/124,326.90 = 59,822.55/x
3. Step 3: Cross multiply
   90,089.42x = 124,326.90 × 59,822.55
4. Step 4: Simplify right side
   90,089.42x = 7,437,552,191.60
5. Step 5: Solve for x
   x = 7,437,552,191.60/90,089.42
6. Step 6: Final answer
   x = 82,557.45