Finding the Fourth Proportional to 56,552.88, 78,039.86 and 31,062.59

Step by Step Solution

1. Step 1: Write the proportion equation
   56,552.88 : 78,039.86 = 31,062.59 : x
2. Step 2: Convert to fraction form
   56,552.88/78,039.86 = 31,062.59/x
3. Step 3: Cross multiply
   56,552.88x = 78,039.86 × 31,062.59
4. Step 4: Simplify right side
   56,552.88x = 2,424,120,174.84
5. Step 5: Solve for x
   x = 2,424,120,174.84/56,552.88
6. Step 6: Final answer
   x = 42,864.66