Finding the Fourth Proportional to 56,373.57, 77,791.25 and 31,222.53

Step by Step Solution

1. Step 1: Write the proportion equation
   56,373.57 : 77,791.25 = 31,222.53 : x
2. Step 2: Convert to fraction form
   56,373.57/77,791.25 = 31,222.53/x
3. Step 3: Cross multiply
   56,373.57x = 77,791.25 × 31,222.53
4. Step 4: Simplify right side
   56,373.57x = 2,428,839,480.75
5. Step 5: Solve for x
   x = 2,428,839,480.75/56,373.57
6. Step 6: Final answer
   x = 43,084.72