Finding the Fourth Proportional to 58,472.71, 80,692.29 and 31,615.15

Step by Step Solution

1. Step 1: Write the proportion equation
   58,472.71 : 80,692.29 = 31,615.15 : x
2. Step 2: Convert to fraction form
   58,472.71/80,692.29 = 31,615.15/x
3. Step 3: Cross multiply
   58,472.71x = 80,692.29 × 31,615.15
4. Step 4: Simplify right side
   58,472.71x = 2,551,099,154.46
5. Step 5: Solve for x
   x = 2,551,099,154.46/58,472.71
6. Step 6: Final answer
   x = 43,628.89