Finding the Fourth Proportional to 56,527.88, 78,009.38 and 31,377.38

Step by Step Solution

1. Step 1: Write the proportion equation
   56,527.88 : 78,009.38 = 31,377.38 : x
2. Step 2: Convert to fraction form
   56,527.88/78,009.38 = 31,377.38/x
3. Step 3: Cross multiply
   56,527.88x = 78,009.38 × 31,377.38
4. Step 4: Simplify right side
   56,527.88x = 2,447,729,530.56
5. Step 5: Solve for x
   x = 2,447,729,530.56/56,527.88
6. Step 6: Final answer
   x = 43,301.28