Finding the Fourth Proportional to 109,472.12, 151,071.30 and 59,171

Step by Step Solution

1. Step 1: Write the proportion equation
   109,472.12 : 151,071.30 = 59,171 : x
2. Step 2: Convert to fraction form
   109,472.12/151,071.30 = 59,171/x
3. Step 3: Cross multiply
   109,472.12x = 151,071.30 × 59,171
4. Step 4: Simplify right side
   109,472.12x = 8,939,039,892.30
5. Step 5: Solve for x
   x = 8,939,039,892.30/109,472.12
6. Step 6: Final answer
   x = 81,655.86