Finding the Fourth Proportional to 56,493.32, 77,960.39 and 31,342.82

Step by Step Solution

1. Step 1: Write the proportion equation
   56,493.32 : 77,960.39 = 31,342.82 : x
2. Step 2: Convert to fraction form
   56,493.32/77,960.39 = 31,342.82/x
3. Step 3: Cross multiply
   56,493.32x = 77,960.39 × 31,342.82
4. Step 4: Simplify right side
   56,493.32x = 2,443,497,924.38
5. Step 5: Solve for x
   x = 2,443,497,924.38/56,493.32
6. Step 6: Final answer
   x = 43,252.87