Finding the Fourth Proportional to 144,288.72, 216,245.64 and 58,799.76

Step by Step Solution

1. Step 1: Write the proportion equation
   144,288.72 : 216,245.64 = 58,799.76 : x
2. Step 2: Convert to fraction form
   144,288.72/216,245.64 = 58,799.76/x
3. Step 3: Cross multiply
   144,288.72x = 216,245.64 × 58,799.76
4. Step 4: Simplify right side
   144,288.72x = 12,715,191,733.05
5. Step 5: Solve for x
   x = 12,715,191,733.05/144,288.72
6. Step 6: Final answer
   x = 88,123.26