Finding the Fourth Proportional to 55,186.79, 82,322.00 and 53,341.80

Step by Step Solution

1. Step 1: Write the proportion equation
   55,186.79 : 82,322.00 = 53,341.80 : x
2. Step 2: Convert to fraction form
   55,186.79/82,322.00 = 53,341.80/x
3. Step 3: Cross multiply
   55,186.79x = 82,322.00 × 53,341.80
4. Step 4: Simplify right side
   55,186.79x = 4,391,203,392.89
5. Step 5: Solve for x
   x = 4,391,203,392.89/55,186.79
6. Step 6: Final answer
   x = 79,569.84