Finding the Fourth Proportional to 109,479.78, 151,082.01 and 59,178.78

Step by Step Solution

1. Step 1: Write the proportion equation
   109,479.78 : 151,082.01 = 59,178.78 : x
2. Step 2: Convert to fraction form
   109,479.78/151,082.01 = 59,178.78/x
3. Step 3: Cross multiply
   109,479.78x = 151,082.01 × 59,178.78
4. Step 4: Simplify right side
   109,479.78x = 8,940,849,031.75
5. Step 5: Solve for x
   x = 8,940,849,031.75/109,479.78
6. Step 6: Final answer
   x = 81,666.67