Finding the Fourth Proportional to 152,776.25, 229,170.59 and 72,773.09

Step by Step Solution

1. Step 1: Write the proportion equation
   152,776.25 : 229,170.59 = 72,773.09 : x
2. Step 2: Convert to fraction form
   152,776.25/229,170.59 = 72,773.09/x
3. Step 3: Cross multiply
   152,776.25x = 229,170.59 × 72,773.09
4. Step 4: Simplify right side
   152,776.25x = 16,677,451,971.42
5. Step 5: Solve for x
   x = 16,677,451,971.42/152,776.25
6. Step 6: Final answer
   x = 109,162.60