Finding the Fourth Proportional to 42,449.72, 58,580.89 and 26,543.48

Step by Step Solution

1. Step 1: Write the proportion equation
   42,449.72 : 58,580.89 = 26,543.48 : x
2. Step 2: Convert to fraction form
   42,449.72/58,580.89 = 26,543.48/x
3. Step 3: Cross multiply
   42,449.72x = 58,580.89 × 26,543.48
4. Step 4: Simplify right side
   42,449.72x = 1,554,940,322.83
5. Step 5: Solve for x
   x = 1,554,940,322.83/42,449.72
6. Step 6: Final answer
   x = 36,630.17