Finding the Fourth Proportional to 152,095.61, 229,170.17 and 126,021.78

Step by Step Solution

1. Step 1: Write the proportion equation
   152,095.61 : 229,170.17 = 126,021.78 : x
2. Step 2: Convert to fraction form
   152,095.61/229,170.17 = 126,021.78/x
3. Step 3: Cross multiply
   152,095.61x = 229,170.17 × 126,021.78
4. Step 4: Simplify right side
   152,095.61x = 28,880,433,333.52
5. Step 5: Solve for x
   x = 28,880,433,333.52/152,095.61
6. Step 6: Final answer
   x = 189,883.42