Finding the Fourth Proportional to 57,783.52, 79,741.24 and 31,287.52

Step by Step Solution

1. Step 1: Write the proportion equation
   57,783.52 : 79,741.24 = 31,287.52 : x
2. Step 2: Convert to fraction form
   57,783.52/79,741.24 = 31,287.52/x
3. Step 3: Cross multiply
   57,783.52x = 79,741.24 × 31,287.52
4. Step 4: Simplify right side
   57,783.52x = 2,494,905,641.32
5. Step 5: Solve for x
   x = 2,494,905,641.32/57,783.52
6. Step 6: Final answer
   x = 43,176.77