Finding the Fourth Proportional to 152,864.72, 229,047.36 and 92,911.53

Step by Step Solution

1. Step 1: Write the proportion equation
   152,864.72 : 229,047.36 = 92,911.53 : x
2. Step 2: Convert to fraction form
   152,864.72/229,047.36 = 92,911.53/x
3. Step 3: Cross multiply
   152,864.72x = 229,047.36 × 92,911.53
4. Step 4: Simplify right side
   152,864.72x = 21,281,141,693.20
5. Step 5: Solve for x
   x = 21,281,141,693.20/152,864.72
6. Step 6: Final answer
   x = 139,215.52