Finding the Fourth Proportional to 152,255.98, 228,399.32 and 52,403.05

Step by Step Solution

1. Step 1: Write the proportion equation
   152,255.98 : 228,399.32 = 52,403.05 : x
2. Step 2: Convert to fraction form
   152,255.98/228,399.32 = 52,403.05/x
3. Step 3: Cross multiply
   152,255.98x = 228,399.32 × 52,403.05
4. Step 4: Simplify right side
   152,255.98x = 11,968,820,985.93
5. Step 5: Solve for x
   x = 11,968,820,985.93/152,255.98
6. Step 6: Final answer
   x = 78,609.86