Finding the Fourth Proportional to 56,598.22, 78,105.56 and 31,447.72

Step by Step Solution

1. Step 1: Write the proportion equation
   56,598.22 : 78,105.56 = 31,447.72 : x
2. Step 2: Convert to fraction form
   56,598.22/78,105.56 = 31,447.72/x
3. Step 3: Cross multiply
   56,598.22x = 78,105.56 × 31,447.72
4. Step 4: Simplify right side
   56,598.22x = 2,456,241,781.32
5. Step 5: Solve for x
   x = 2,456,241,781.32/56,598.22
6. Step 6: Final answer
   x = 43,397.86