Finding the Fourth Proportional to 55,618.20, 76,758.60 and 31,748.52

Step by Step Solution

1. Step 1: Write the proportion equation
   55,618.20 : 76,758.60 = 31,748.52 : x
2. Step 2: Convert to fraction form
   55,618.20/76,758.60 = 31,748.52/x
3. Step 3: Cross multiply
   55,618.20x = 76,758.60 × 31,748.52
4. Step 4: Simplify right side
   55,618.20x = 2,436,971,947.27
5. Step 5: Solve for x
   x = 2,436,971,947.27/55,618.20
6. Step 6: Final answer
   x = 43,816.09