Finding the Fourth Proportional to 58,534.50, 80,778.18 and 31,677.57

Step by Step Solution

1. Step 1: Write the proportion equation
   58,534.50 : 80,778.18 = 31,677.57 : x
2. Step 2: Convert to fraction form
   58,534.50/80,778.18 = 31,677.57/x
3. Step 3: Cross multiply
   58,534.50x = 80,778.18 × 31,677.57
4. Step 4: Simplify right side
   58,534.50x = 2,558,856,451.42
5. Step 5: Solve for x
   x = 2,558,856,451.42/58,534.50
6. Step 6: Final answer
   x = 43,715.36