Finding the Fourth Proportional to 37,139.10, 55,660.05 and 14,934.30

Step by Step Solution

1. Step 1: Write the proportion equation
   37,139.10 : 55,660.05 = 14,934.30 : x
2. Step 2: Convert to fraction form
   37,139.10/55,660.05 = 14,934.30/x
3. Step 3: Cross multiply
   37,139.10x = 55,660.05 × 14,934.30
4. Step 4: Simplify right side
   37,139.10x = 831,243,884.72
5. Step 5: Solve for x
   x = 831,243,884.72/37,139.10
6. Step 6: Final answer
   x = 22,381.91