Finding the Fourth Proportional to 58,499.28, 80,724.06 and 34,621.74

Step by Step Solution

1. Step 1: Write the proportion equation
   58,499.28 : 80,724.06 = 34,621.74 : x
2. Step 2: Convert to fraction form
   58,499.28/80,724.06 = 34,621.74/x
3. Step 3: Cross multiply
   58,499.28x = 80,724.06 × 34,621.74
4. Step 4: Simplify right side
   58,499.28x = 2,794,807,417.06
5. Step 5: Solve for x
   x = 2,794,807,417.06/58,499.28
6. Step 6: Final answer
   x = 47,775.07