Finding the Fourth Proportional to 152,972.12, 229,423.52 and 58,168.50

Step by Step Solution

1. Step 1: Write the proportion equation
   152,972.12 : 229,423.52 = 58,168.50 : x
2. Step 2: Convert to fraction form
   152,972.12/229,423.52 = 58,168.50/x
3. Step 3: Cross multiply
   152,972.12x = 229,423.52 × 58,168.50
4. Step 4: Simplify right side
   152,972.12x = 13,345,222,168.54
5. Step 5: Solve for x
   x = 13,345,222,168.54/152,972.12
6. Step 6: Final answer
   x = 87,239.57