Finding the Fourth Proportional to 112,767.30, 168,713.55 and 73,401.30

Step by Step Solution

1. Step 1: Write the proportion equation
   112,767.30 : 168,713.55 = 73,401.30 : x
2. Step 2: Convert to fraction form
   112,767.30/168,713.55 = 73,401.30/x
3. Step 3: Cross multiply
   112,767.30x = 168,713.55 × 73,401.30
4. Step 4: Simplify right side
   112,767.30x = 12,383,793,897.62
5. Step 5: Solve for x
   x = 12,383,793,897.62/112,767.30
6. Step 6: Final answer
   x = 109,817.24