Finding the Fourth Proportional to 55,404.28, 76,451.88 and 31,528.72

Step by Step Solution

1. Step 1: Write the proportion equation
   55,404.28 : 76,451.88 = 31,528.72 : x
2. Step 2: Convert to fraction form
   55,404.28/76,451.88 = 31,528.72/x
3. Step 3: Cross multiply
   55,404.28x = 76,451.88 × 31,528.72
4. Step 4: Simplify right side
   55,404.28x = 2,410,429,917.99
5. Step 5: Solve for x
   x = 2,410,429,917.99/55,404.28
6. Step 6: Final answer
   x = 43,506.20