Finding the Fourth Proportional to 152,689.98, 229,050.67 and 52,850.01

Step by Step Solution

1. Step 1: Write the proportion equation
   152,689.98 : 229,050.67 = 52,850.01 : x
2. Step 2: Convert to fraction form
   152,689.98/229,050.67 = 52,850.01/x
3. Step 3: Cross multiply
   152,689.98x = 229,050.67 × 52,850.01
4. Step 4: Simplify right side
   152,689.98x = 12,105,330,200.01
5. Step 5: Solve for x
   x = 12,105,330,200.01/152,689.98
6. Step 6: Final answer
   x = 79,280.45