Finding the Fourth Proportional to 54,876.02, 82,227.54 and 42,426.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,876.02 : 82,227.54 = 42,426.50 : x
2. Step 2: Convert to fraction form
   54,876.02/82,227.54 = 42,426.50/x
3. Step 3: Cross multiply
   54,876.02x = 82,227.54 × 42,426.50
4. Step 4: Simplify right side
   54,876.02x = 3,488,626,725.81
5. Step 5: Solve for x
   x = 3,488,626,725.81/54,876.02
6. Step 6: Final answer
   x = 63,572.88