Finding the Fourth Proportional to 57,131.55, 85,752.59 and 27,570.15

Step by Step Solution

1. Step 1: Write the proportion equation
   57,131.55 : 85,752.59 = 27,570.15 : x
2. Step 2: Convert to fraction form
   57,131.55/85,752.59 = 27,570.15/x
3. Step 3: Cross multiply
   57,131.55x = 85,752.59 × 27,570.15
4. Step 4: Simplify right side
   57,131.55x = 2,364,211,631.34
5. Step 5: Solve for x
   x = 2,364,211,631.34/57,131.55
6. Step 6: Final answer
   x = 41,381.89