Finding the Fourth Proportional to 56,192.49, 77,542.16 and 30,693.69

Step by Step Solution

1. Step 1: Write the proportion equation
   56,192.49 : 77,542.16 = 30,693.69 : x
2. Step 2: Convert to fraction form
   56,192.49/77,542.16 = 30,693.69/x
3. Step 3: Cross multiply
   56,192.49x = 77,542.16 × 30,693.69
4. Step 4: Simplify right side
   56,192.49x = 2,380,054,867.50
5. Step 5: Solve for x
   x = 2,380,054,867.50/56,192.49
6. Step 6: Final answer
   x = 42,355.39