Finding the Fourth Proportional to 90,950.56, 124,602.84 and 87,541.55

Step by Step Solution

1. Step 1: Write the proportion equation
   90,950.56 : 124,602.84 = 87,541.55 : x
2. Step 2: Convert to fraction form
   90,950.56/124,602.84 = 87,541.55/x
3. Step 3: Cross multiply
   90,950.56x = 124,602.84 × 87,541.55
4. Step 4: Simplify right side
   90,950.56x = 10,907,925,592.25
5. Step 5: Solve for x
   x = 10,907,925,592.25/90,950.56
6. Step 6: Final answer
   x = 119,932.48