Finding the Fourth Proportional to 42,904.04, 59,238.42 and 27,818.60

Step by Step Solution

1. Step 1: Write the proportion equation
   42,904.04 : 59,238.42 = 27,818.60 : x
2. Step 2: Convert to fraction form
   42,904.04/59,238.42 = 27,818.60/x
3. Step 3: Cross multiply
   42,904.04x = 59,238.42 × 27,818.60
4. Step 4: Simplify right side
   42,904.04x = 1,647,929,910.61
5. Step 5: Solve for x
   x = 1,647,929,910.61/42,904.04
6. Step 6: Final answer
   x = 38,409.67