Finding the Fourth Proportional to 108,804.32, 163,075.24 and 56,185.12

Step by Step Solution

1. Step 1: Write the proportion equation
   108,804.32 : 163,075.24 = 56,185.12 : x
2. Step 2: Convert to fraction form
   108,804.32/163,075.24 = 56,185.12/x
3. Step 3: Cross multiply
   108,804.32x = 163,075.24 × 56,185.12
4. Step 4: Simplify right side
   108,804.32x = 9,162,401,928.43
5. Step 5: Solve for x
   x = 9,162,401,928.43/108,804.32
6. Step 6: Final answer
   x = 84,209.91