Finding the Fourth Proportional to 152,499.36, 228,745.57 and 52,650.15

Step by Step Solution

1. Step 1: Write the proportion equation
   152,499.36 : 228,745.57 = 52,650.15 : x
2. Step 2: Convert to fraction form
   152,499.36/228,745.57 = 52,650.15/x
3. Step 3: Cross multiply
   152,499.36x = 228,745.57 × 52,650.15
4. Step 4: Simplify right side
   152,499.36x = 12,043,488,968.33
5. Step 5: Solve for x
   x = 12,043,488,968.33/152,499.36
6. Step 6: Final answer
   x = 78,974.03