Finding the Fourth Proportional to 57,610, 79,501.80 and 31,114

Step by Step Solution

1. Step 1: Write the proportion equation
   57,610 : 79,501.80 = 31,114 : x
2. Step 2: Convert to fraction form
   57,610/79,501.80 = 31,114/x
3. Step 3: Cross multiply
   57,610x = 79,501.80 × 31,114
4. Step 4: Simplify right side
   57,610x = 2,473,619,005.20
5. Step 5: Solve for x
   x = 2,473,619,005.20/57,610
6. Step 6: Final answer
   x = 42,937.32