Finding the Fourth Proportional to 55,443.80, 76,516.98 and 31,577.96

Step by Step Solution

1. Step 1: Write the proportion equation
   55,443.80 : 76,516.98 = 31,577.96 : x
2. Step 2: Convert to fraction form
   55,443.80/76,516.98 = 31,577.96/x
3. Step 3: Cross multiply
   55,443.80x = 76,516.98 × 31,577.96
4. Step 4: Simplify right side
   55,443.80x = 2,416,250,133.76
5. Step 5: Solve for x
   x = 2,416,250,133.76/55,443.80
6. Step 6: Final answer
   x = 43,580.17