Finding the Fourth Proportional to 42,031.40, 62,861.18 and 37,384.02

Step by Step Solution

1. Step 1: Write the proportion equation
   42,031.40 : 62,861.18 = 37,384.02 : x
2. Step 2: Convert to fraction form
   42,031.40/62,861.18 = 37,384.02/x
3. Step 3: Cross multiply
   42,031.40x = 62,861.18 × 37,384.02
4. Step 4: Simplify right side
   42,031.40x = 2,350,003,423.42
5. Step 5: Solve for x
   x = 2,350,003,423.42/42,031.40
6. Step 6: Final answer
   x = 55,910.67