Finding the Fourth Proportional to 56,211.01, 77,570.25 and 30,716.82

Step by Step Solution

1. Step 1: Write the proportion equation
   56,211.01 : 77,570.25 = 30,716.82 : x
2. Step 2: Convert to fraction form
   56,211.01/77,570.25 = 30,716.82/x
3. Step 3: Cross multiply
   56,211.01x = 77,570.25 × 30,716.82
4. Step 4: Simplify right side
   56,211.01x = 2,382,711,406.61
5. Step 5: Solve for x
   x = 2,382,711,406.61/56,211.01
6. Step 6: Final answer
   x = 42,388.70