Finding the Fourth Proportional to 56,201.71, 84,229.89 and 42,050.71

Step by Step Solution

1. Step 1: Write the proportion equation
   56,201.71 : 84,229.89 = 42,050.71 : x
2. Step 2: Convert to fraction form
   56,201.71/84,229.89 = 42,050.71/x
3. Step 3: Cross multiply
   56,201.71x = 84,229.89 × 42,050.71
4. Step 4: Simplify right side
   56,201.71x = 3,541,926,677.72
5. Step 5: Solve for x
   x = 3,541,926,677.72/56,201.71
6. Step 6: Final answer
   x = 63,021.69