Finding the Fourth Proportional to 109,758.72, 151,467.28 and 59,457.72

Step by Step Solution

1. Step 1: Write the proportion equation
   109,758.72 : 151,467.28 = 59,457.72 : x
2. Step 2: Convert to fraction form
   109,758.72/151,467.28 = 59,457.72/x
3. Step 3: Cross multiply
   109,758.72x = 151,467.28 × 59,457.72
4. Step 4: Simplify right side
   109,758.72x = 9,005,899,123.40
5. Step 5: Solve for x
   x = 9,005,899,123.40/109,758.72
6. Step 6: Final answer
   x = 82,051.79