Finding the Fourth Proportional to 108,801.20, 163,070.55 and 56,182.00

Step by Step Solution

1. Step 1: Write the proportion equation
   108,801.20 : 163,070.55 = 56,182.00 : x
2. Step 2: Convert to fraction form
   108,801.20/163,070.55 = 56,182.00/x
3. Step 3: Cross multiply
   108,801.20x = 163,070.55 × 56,182.00
4. Step 4: Simplify right side
   108,801.20x = 9,161,628,824.75
5. Step 5: Solve for x
   x = 9,161,628,824.75/108,801.20
6. Step 6: Final answer
   x = 84,205.22