Finding the Fourth Proportional to 42,555.56, 58,724.42 and 23,689.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42,555.56 : 58,724.42 = 23,689.32 : x
2. Step 2: Convert to fraction form
   42,555.56/58,724.42 = 23,689.32/x
3. Step 3: Cross multiply
   42,555.56x = 58,724.42 × 23,689.32
4. Step 4: Simplify right side
   42,555.56x = 1,391,141,577.19
5. Step 5: Solve for x
   x = 1,391,141,577.19/42,555.56
6. Step 6: Final answer
   x = 32,690.01