Finding the Fourth Proportional to 152,667.12, 228,812.31 and 110,691.30

Step by Step Solution

1. Step 1: Write the proportion equation
   152,667.12 : 228,812.31 = 110,691.30 : x
2. Step 2: Convert to fraction form
   152,667.12/228,812.31 = 110,691.30/x
3. Step 3: Cross multiply
   152,667.12x = 228,812.31 × 110,691.30
4. Step 4: Simplify right side
   152,667.12x = 25,327,532,049.90
5. Step 5: Solve for x
   x = 25,327,532,049.90/152,667.12
6. Step 6: Final answer
   x = 165,900.37