Finding the Fourth Proportional to 56,523.75, 78,003.74 and 31,032.47

Step by Step Solution

1. Step 1: Write the proportion equation
   56,523.75 : 78,003.74 = 31,032.47 : x
2. Step 2: Convert to fraction form
   56,523.75/78,003.74 = 31,032.47/x
3. Step 3: Cross multiply
   56,523.75x = 78,003.74 × 31,032.47
4. Step 4: Simplify right side
   56,523.75x = 2,420,648,994.03
5. Step 5: Solve for x
   x = 2,420,648,994.03/56,523.75
6. Step 6: Final answer
   x = 42,825.35