Finding the Fourth Proportional to 152,757.30, 229,081.28 and 52,890.68

Step by Step Solution

1. Step 1: Write the proportion equation
   152,757.30 : 229,081.28 = 52,890.68 : x
2. Step 2: Convert to fraction form
   152,757.30/229,081.28 = 52,890.68/x
3. Step 3: Cross multiply
   152,757.30x = 229,081.28 × 52,890.68
4. Step 4: Simplify right side
   152,757.30x = 12,116,264,982.72
5. Step 5: Solve for x
   x = 12,116,264,982.72/152,757.30
6. Step 6: Final answer
   x = 79,317.09