Finding the Fourth Proportional to 42,934.80, 59,237.91 and 27,828.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42,934.80 : 59,237.91 = 27,828.10 : x
2. Step 2: Convert to fraction form
   42,934.80/59,237.91 = 27,828.10/x
3. Step 3: Cross multiply
   42,934.80x = 59,237.91 × 27,828.10
4. Step 4: Simplify right side
   42,934.80x = 1,648,478,557.32
5. Step 5: Solve for x
   x = 1,648,478,557.32/42,934.80
6. Step 6: Final answer
   x = 38,394.92