Finding the Fourth Proportional to 58,617.64, 80,891.70 and 31,758.55

Step by Step Solution

1. Step 1: Write the proportion equation
   58,617.64 : 80,891.70 = 31,758.55 : x
2. Step 2: Convert to fraction form
   58,617.64/80,891.70 = 31,758.55/x
3. Step 3: Cross multiply
   58,617.64x = 80,891.70 × 31,758.55
4. Step 4: Simplify right side
   58,617.64x = 2,569,003,099.04
5. Step 5: Solve for x
   x = 2,569,003,099.04/58,617.64
6. Step 6: Final answer
   x = 43,826.45