Finding the Fourth Proportional to 152,375.50, 228,519.12 and 45,755.15

Step by Step Solution

1. Step 1: Write the proportion equation
   152,375.50 : 228,519.12 = 45,755.15 : x
2. Step 2: Convert to fraction form
   152,375.50/228,519.12 = 45,755.15/x
3. Step 3: Cross multiply
   152,375.50x = 228,519.12 × 45,755.15
4. Step 4: Simplify right side
   152,375.50x = 10,455,927,570.58
5. Step 5: Solve for x
   x = 10,455,927,570.58/152,375.50
6. Step 6: Final answer
   x = 68,619.48