Finding the Fourth Proportional to 150,087.95, 207,132.61 and 85,558.72

Step by Step Solution

1. Step 1: Write the proportion equation
   150,087.95 : 207,132.61 = 85,558.72 : x
2. Step 2: Convert to fraction form
   150,087.95/207,132.61 = 85,558.72/x
3. Step 3: Cross multiply
   150,087.95x = 207,132.61 × 85,558.72
4. Step 4: Simplify right side
   150,087.95x = 17,722,000,981.86
5. Step 5: Solve for x
   x = 17,722,000,981.86/150,087.95
6. Step 6: Final answer
   x = 118,077.44