Finding the Fourth Proportional to 152,376.50, 228,520.62 and 45,756.15

Step by Step Solution

1. Step 1: Write the proportion equation
   152,376.50 : 228,520.62 = 45,756.15 : x
2. Step 2: Convert to fraction form
   152,376.50/228,520.62 = 45,756.15/x
3. Step 3: Cross multiply
   152,376.50x = 228,520.62 × 45,756.15
4. Step 4: Simplify right side
   152,376.50x = 10,456,223,766.81
5. Step 5: Solve for x
   x = 10,456,223,766.81/152,376.50
6. Step 6: Final answer
   x = 68,620.97