Finding the Fourth Proportional to 152,999.62, 229,499.42 and 47,819.50

Step by Step Solution

1. Step 1: Write the proportion equation
   152,999.62 : 229,499.42 = 47,819.50 : x
2. Step 2: Convert to fraction form
   152,999.62/229,499.42 = 47,819.50/x
3. Step 3: Cross multiply
   152,999.62x = 229,499.42 × 47,819.50
4. Step 4: Simplify right side
   152,999.62x = 10,974,547,514.69
5. Step 5: Solve for x
   x = 10,974,547,514.69/152,999.62
6. Step 6: Final answer
   x = 71,729.25