Finding the Fourth Proportional to 42,002.08, 57,969.28 and 31,914.08

Step by Step Solution

1. Step 1: Write the proportion equation
   42,002.08 : 57,969.28 = 31,914.08 : x
2. Step 2: Convert to fraction form
   42,002.08/57,969.28 = 31,914.08/x
3. Step 3: Cross multiply
   42,002.08x = 57,969.28 × 31,914.08
4. Step 4: Simplify right side
   42,002.08x = 1,850,036,239.46
5. Step 5: Solve for x
   x = 1,850,036,239.46/42,002.08
6. Step 6: Final answer
   x = 44,046.30