Finding the Fourth Proportional to 109,771.72, 151,485.24 and 59,470.72

Step by Step Solution

1. Step 1: Write the proportion equation
   109,771.72 : 151,485.24 = 59,470.72 : x
2. Step 2: Convert to fraction form
   109,771.72/151,485.24 = 59,470.72/x
3. Step 3: Cross multiply
   109,771.72x = 151,485.24 × 59,470.72
4. Step 4: Simplify right side
   109,771.72x = 9,008,936,292.17
5. Step 5: Solve for x
   x = 9,008,936,292.17/109,771.72
6. Step 6: Final answer
   x = 82,069.74