Finding the Fourth Proportional to 58,488.78, 80,715.18 and 31,631.82

Step by Step Solution

1. Step 1: Write the proportion equation
   58,488.78 : 80,715.18 = 31,631.82 : x
2. Step 2: Convert to fraction form
   58,488.78/80,715.18 = 31,631.82/x
3. Step 3: Cross multiply
   58,488.78x = 80,715.18 × 31,631.82
4. Step 4: Simplify right side
   58,488.78x = 2,553,168,045.03
5. Step 5: Solve for x
   x = 2,553,168,045.03/58,488.78
6. Step 6: Final answer
   x = 43,652.27