Finding the Fourth Proportional to 152,441.12, 228,673.53 and 45,816.77

Step by Step Solution

1. Step 1: Write the proportion equation
   152,441.12 : 228,673.53 = 45,816.77 : x
2. Step 2: Convert to fraction form
   152,441.12/228,673.53 = 45,816.77/x
3. Step 3: Cross multiply
   152,441.12x = 228,673.53 × 45,816.77
4. Step 4: Simplify right side
   152,441.12x = 10,477,083,100.78
5. Step 5: Solve for x
   x = 10,477,083,100.78/152,441.12
6. Step 6: Final answer
   x = 68,728.72