Finding the Fourth Proportional to 58,559.28, 80,811.83 and 31,701.78

Step by Step Solution

1. Step 1: Write the proportion equation
   58,559.28 : 80,811.83 = 31,701.78 : x
2. Step 2: Convert to fraction form
   58,559.28/80,811.83 = 31,701.78/x
3. Step 3: Cross multiply
   58,559.28x = 80,811.83 × 31,701.78
4. Step 4: Simplify right side
   58,559.28x = 2,561,878,697.55
5. Step 5: Solve for x
   x = 2,561,878,697.55/58,559.28
6. Step 6: Final answer
   x = 43,748.47