Finding the Fourth Proportional to 57,131.51, 85,641.62 and 23,861.07

Step by Step Solution

1. Step 1: Write the proportion equation
   57,131.51 : 85,641.62 = 23,861.07 : x
2. Step 2: Convert to fraction form
   57,131.51/85,641.62 = 23,861.07/x
3. Step 3: Cross multiply
   57,131.51x = 85,641.62 × 23,861.07
4. Step 4: Simplify right side
   57,131.51x = 2,043,500,570.43
5. Step 5: Solve for x
   x = 2,043,500,570.43/57,131.51
6. Step 6: Final answer
   x = 35,768.37