Finding the Fourth Proportional to 152,730.50, 228,790.04 and 72,846.23

Step by Step Solution

1. Step 1: Write the proportion equation
   152,730.50 : 228,790.04 = 72,846.23 : x
2. Step 2: Convert to fraction form
   152,730.50/228,790.04 = 72,846.23/x
3. Step 3: Cross multiply
   152,730.50x = 228,790.04 × 72,846.23
4. Step 4: Simplify right side
   152,730.50x = 16,666,490,367.37
5. Step 5: Solve for x
   x = 16,666,490,367.37/152,730.50
6. Step 6: Final answer
   x = 109,123.53