Finding the Fourth Proportional to 55,604.98, 83,439.41 and 55,153.61

Step by Step Solution

1. Step 1: Write the proportion equation
   55,604.98 : 83,439.41 = 55,153.61 : x
2. Step 2: Convert to fraction form
   55,604.98/83,439.41 = 55,153.61/x
3. Step 3: Cross multiply
   55,604.98x = 83,439.41 × 55,153.61
4. Step 4: Simplify right side
   55,604.98x = 4,601,983,984.81
5. Step 5: Solve for x
   x = 4,601,983,984.81/55,604.98
6. Step 6: Final answer
   x = 82,762.09