Finding the Fourth Proportional to 64,423.37, 88,944.12 and 42,943.38

Step by Step Solution

1. Step 1: Write the proportion equation
   64,423.37 : 88,944.12 = 42,943.38 : x
2. Step 2: Convert to fraction form
   64,423.37/88,944.12 = 42,943.38/x
3. Step 3: Cross multiply
   64,423.37x = 88,944.12 × 42,943.38
4. Step 4: Simplify right side
   64,423.37x = 3,819,561,143.93
5. Step 5: Solve for x
   x = 3,819,561,143.93/64,423.37
6. Step 6: Final answer
   x = 59,288.45