Finding the Fourth Proportional to 42,384.52, 58,490.86 and 26,478.19

Step by Step Solution

1. Step 1: Write the proportion equation
   42,384.52 : 58,490.86 = 26,478.19 : x
2. Step 2: Convert to fraction form
   42,384.52/58,490.86 = 26,478.19/x
3. Step 3: Cross multiply
   42,384.52x = 58,490.86 × 26,478.19
4. Step 4: Simplify right side
   42,384.52x = 1,548,732,160.91
5. Step 5: Solve for x
   x = 1,548,732,160.91/42,384.52
6. Step 6: Final answer
   x = 36,540.05