Finding the Fourth Proportional to 56,046.90, 77,344.82 and 30,553.47

Step by Step Solution

1. Step 1: Write the proportion equation
   56,046.90 : 77,344.82 = 30,553.47 : x
2. Step 2: Convert to fraction form
   56,046.90/77,344.82 = 30,553.47/x
3. Step 3: Cross multiply
   56,046.90x = 77,344.82 × 30,553.47
4. Step 4: Simplify right side
   56,046.90x = 2,363,152,713.91
5. Step 5: Solve for x
   x = 2,363,152,713.91/56,046.90
6. Step 6: Final answer
   x = 42,163.84