Finding the Fourth Proportional to 112,386.42, 168,662.59 and 53,222.00

Step by Step Solution

1. Step 1: Write the proportion equation
   112,386.42 : 168,662.59 = 53,222.00 : x
2. Step 2: Convert to fraction form
   112,386.42/168,662.59 = 53,222.00/x
3. Step 3: Cross multiply
   112,386.42x = 168,662.59 × 53,222.00
4. Step 4: Simplify right side
   112,386.42x = 8,976,559,388.61
5. Step 5: Solve for x
   x = 8,976,559,388.61/112,386.42
6. Step 6: Final answer
   x = 79,872.28