Finding the Fourth Proportional to 56,196.13, 84,221.54 and 42,045.13

Step by Step Solution

1. Step 1: Write the proportion equation
   56,196.13 : 84,221.54 = 42,045.13 : x
2. Step 2: Convert to fraction form
   56,196.13/84,221.54 = 42,045.13/x
3. Step 3: Cross multiply
   56,196.13x = 84,221.54 × 42,045.13
4. Step 4: Simplify right side
   56,196.13x = 3,541,105,798.73
5. Step 5: Solve for x
   x = 3,541,105,798.73/56,196.13
6. Step 6: Final answer
   x = 63,013.34