Finding the Fourth Proportional to 42,849.29, 64,144.22 and 38,900.54

Step by Step Solution

1. Step 1: Write the proportion equation
   42,849.29 : 64,144.22 = 38,900.54 : x
2. Step 2: Convert to fraction form
   42,849.29/64,144.22 = 38,900.54/x
3. Step 3: Cross multiply
   42,849.29x = 64,144.22 × 38,900.54
4. Step 4: Simplify right side
   42,849.29x = 2,495,244,280.66
5. Step 5: Solve for x
   x = 2,495,244,280.66/42,849.29
6. Step 6: Final answer
   x = 58,233.04