Finding the Fourth Proportional to 109,475.72, 151,076.51 and 59,174.72

Step by Step Solution

1. Step 1: Write the proportion equation
   109,475.72 : 151,076.51 = 59,174.72 : x
2. Step 2: Convert to fraction form
   109,475.72/151,076.51 = 59,174.72/x
3. Step 3: Cross multiply
   109,475.72x = 151,076.51 × 59,174.72
4. Step 4: Simplify right side
   109,475.72x = 8,939,909,915.01
5. Step 5: Solve for x
   x = 8,939,909,915.01/109,475.72
6. Step 6: Final answer
   x = 81,661.12