Finding the Fourth Proportional to 42,392.78, 58,490.06 and 27,294.18

Step by Step Solution

1. Step 1: Write the proportion equation
   42,392.78 : 58,490.06 = 27,294.18 : x
2. Step 2: Convert to fraction form
   42,392.78/58,490.06 = 27,294.18/x
3. Step 3: Cross multiply
   42,392.78x = 58,490.06 × 27,294.18
4. Step 4: Simplify right side
   42,392.78x = 1,596,437,870.04
5. Step 5: Solve for x
   x = 1,596,437,870.04/42,392.78
6. Step 6: Final answer
   x = 37,658.25