Finding the Fourth Proportional to 42,955.34, 59,143.65 and 39,018.74

Step by Step Solution

1. Step 1: Write the proportion equation
   42,955.34 : 59,143.65 = 39,018.74 : x
2. Step 2: Convert to fraction form
   42,955.34/59,143.65 = 39,018.74/x
3. Step 3: Cross multiply
   42,955.34x = 59,143.65 × 39,018.74
4. Step 4: Simplify right side
   42,955.34x = 2,307,710,702.00
5. Step 5: Solve for x
   x = 2,307,710,702.00/42,955.34
6. Step 6: Final answer
   x = 53,723.49