Finding the Fourth Proportional to 55,654.71, 82,985.61 and 49,472.79

Step by Step Solution

1. Step 1: Write the proportion equation
   55,654.71 : 82,985.61 = 49,472.79 : x
2. Step 2: Convert to fraction form
   55,654.71/82,985.61 = 49,472.79/x
3. Step 3: Cross multiply
   55,654.71x = 82,985.61 × 49,472.79
4. Step 4: Simplify right side
   55,654.71x = 4,105,529,656.55
5. Step 5: Solve for x
   x = 4,105,529,656.55/55,654.71
6. Step 6: Final answer
   x = 73,767.87