Finding the Fourth Proportional to 55,451.10, 76,536.28 and 31,591.96

Step by Step Solution

1. Step 1: Write the proportion equation
   55,451.10 : 76,536.28 = 31,591.96 : x
2. Step 2: Convert to fraction form
   55,451.10/76,536.28 = 31,591.96/x
3. Step 3: Cross multiply
   55,451.10x = 76,536.28 × 31,591.96
4. Step 4: Simplify right side
   55,451.10x = 2,417,931,096.31
5. Step 5: Solve for x
   x = 2,417,931,096.31/55,451.10
6. Step 6: Final answer
   x = 43,604.75