Finding the Fourth Proportional to 109,472.37, 151,071.78 and 59,171.37

Step by Step Solution

1. Step 1: Write the proportion equation
   109,472.37 : 151,071.78 = 59,171.37 : x
2. Step 2: Convert to fraction form
   109,472.37/151,071.78 = 59,171.37/x
3. Step 3: Cross multiply
   109,472.37x = 151,071.78 × 59,171.37
4. Step 4: Simplify right side
   109,472.37x = 8,939,124,190.94
5. Step 5: Solve for x
   x = 8,939,124,190.94/109,472.37
6. Step 6: Final answer
   x = 81,656.44