Finding the Fourth Proportional to 57,654, 79,562.52 and 31,158

Step by Step Solution

1. Step 1: Write the proportion equation
   57,654 : 79,562.52 = 31,158 : x
2. Step 2: Convert to fraction form
   57,654/79,562.52 = 31,158/x
3. Step 3: Cross multiply
   57,654x = 79,562.52 × 31,158
4. Step 4: Simplify right side
   57,654x = 2,479,008,998.16
5. Step 5: Solve for x
   x = 2,479,008,998.16/57,654
6. Step 6: Final answer
   x = 42,998.04