Finding the Fourth Proportional to 56,559.30, 78,052.48 and 31,066.27

Step by Step Solution

1. Step 1: Write the proportion equation
   56,559.30 : 78,052.48 = 31,066.27 : x
2. Step 2: Convert to fraction form
   56,559.30/78,052.48 = 31,066.27/x
3. Step 3: Cross multiply
   56,559.30x = 78,052.48 × 31,066.27
4. Step 4: Simplify right side
   56,559.30x = 2,424,799,261.55
5. Step 5: Solve for x
   x = 2,424,799,261.55/56,559.30
6. Step 6: Final answer
   x = 42,871.80