Finding the Fourth Proportional to 42,502.66, 58,620.72 and 27,397.78

Step by Step Solution

1. Step 1: Write the proportion equation
   42,502.66 : 58,620.72 = 27,397.78 : x
2. Step 2: Convert to fraction form
   42,502.66/58,620.72 = 27,397.78/x
3. Step 3: Cross multiply
   42,502.66x = 58,620.72 × 27,397.78
4. Step 4: Simplify right side
   42,502.66x = 1,606,077,590.00
5. Step 5: Solve for x
   x = 1,606,077,590.00/42,502.66
6. Step 6: Final answer
   x = 37,787.70