Finding the Fourth Proportional to 56,264.83, 77,642.33 and 30,766.13

Step by Step Solution

1. Step 1: Write the proportion equation
   56,264.83 : 77,642.33 = 30,766.13 : x
2. Step 2: Convert to fraction form
   56,264.83/77,642.33 = 30,766.13/x
3. Step 3: Cross multiply
   56,264.83x = 77,642.33 × 30,766.13
4. Step 4: Simplify right side
   56,264.83x = 2,388,754,018.28
5. Step 5: Solve for x
   x = 2,388,754,018.28/56,264.83
6. Step 6: Final answer
   x = 42,455.54