Finding the Fourth Proportional to 42,269.91, 58,238.53 and 27,904.15

Step by Step Solution

1. Step 1: Write the proportion equation
   42,269.91 : 58,238.53 = 27,904.15 : x
2. Step 2: Convert to fraction form
   42,269.91/58,238.53 = 27,904.15/x
3. Step 3: Cross multiply
   42,269.91x = 58,238.53 × 27,904.15
4. Step 4: Simplify right side
   42,269.91x = 1,625,096,676.90
5. Step 5: Solve for x
   x = 1,625,096,676.90/42,269.91
6. Step 6: Final answer
   x = 38,445.71