Finding the Fourth Proportional to 55,515.52, 76,618.72 and 31,636.72

Step by Step Solution

1. Step 1: Write the proportion equation
   55,515.52 : 76,618.72 = 31,636.72 : x
2. Step 2: Convert to fraction form
   55,515.52/76,618.72 = 31,636.72/x
3. Step 3: Cross multiply
   55,515.52x = 76,618.72 × 31,636.72
4. Step 4: Simplify right side
   55,515.52x = 2,423,964,991.40
5. Step 5: Solve for x
   x = 2,423,964,991.40/55,515.52
6. Step 6: Final answer
   x = 43,662.84