Finding the Fourth Proportional to 57,002, 78,662.76 and 31,853.84

Step by Step Solution

1. Step 1: Write the proportion equation
   57,002 : 78,662.76 = 31,853.84 : x
2. Step 2: Convert to fraction form
   57,002/78,662.76 = 31,853.84/x
3. Step 3: Cross multiply
   57,002x = 78,662.76 × 31,853.84
4. Step 4: Simplify right side
   57,002x = 2,505,710,971.00
5. Step 5: Solve for x
   x = 2,505,710,971.00/57,002
6. Step 6: Final answer
   x = 43,958.30