Finding the Fourth Proportional to 54,472.56, 81,659.58 and 37,840.40

Step by Step Solution

1. Step 1: Write the proportion equation
   54,472.56 : 81,659.58 = 37,840.40 : x
2. Step 2: Convert to fraction form
   54,472.56/81,659.58 = 37,840.40/x
3. Step 3: Cross multiply
   54,472.56x = 81,659.58 × 37,840.40
4. Step 4: Simplify right side
   54,472.56x = 3,090,031,171.03
5. Step 5: Solve for x
   x = 3,090,031,171.03/54,472.56
6. Step 6: Final answer
   x = 56,726.38