Finding the Fourth Proportional to 55,557.46, 76,667.34 and 31,691.76

Step by Step Solution

1. Step 1: Write the proportion equation
   55,557.46 : 76,667.34 = 31,691.76 : x
2. Step 2: Convert to fraction form
   55,557.46/76,667.34 = 31,691.76/x
3. Step 3: Cross multiply
   55,557.46x = 76,667.34 × 31,691.76
4. Step 4: Simplify right side
   55,557.46x = 2,429,722,939.12
5. Step 5: Solve for x
   x = 2,429,722,939.12/55,557.46
6. Step 6: Final answer
   x = 43,733.51