Finding the Fourth Proportional to 113,303.16, 170,000.82 and 72,822

Step by Step Solution

1. Step 1: Write the proportion equation
   113,303.16 : 170,000.82 = 72,822 : x
2. Step 2: Convert to fraction form
   113,303.16/170,000.82 = 72,822/x
3. Step 3: Cross multiply
   113,303.16x = 170,000.82 × 72,822
4. Step 4: Simplify right side
   113,303.16x = 12,379,799,714.04
5. Step 5: Solve for x
   x = 12,379,799,714.04/113,303.16
6. Step 6: Final answer
   x = 109,262.62