Finding the Fourth Proportional to 56,570.56, 78,063.62 and 31,071.96

Step by Step Solution

1. Step 1: Write the proportion equation
   56,570.56 : 78,063.62 = 31,071.96 : x
2. Step 2: Convert to fraction form
   56,570.56/78,063.62 = 31,071.96/x
3. Step 3: Cross multiply
   56,570.56x = 78,063.62 × 31,071.96
4. Step 4: Simplify right side
   56,570.56x = 2,425,589,522.74
5. Step 5: Solve for x
   x = 2,425,589,522.74/56,570.56
6. Step 6: Final answer
   x = 42,877.24