Finding the Fourth Proportional to 152,413.83, 228,631.59 and 52,572.51

Step by Step Solution

1. Step 1: Write the proportion equation
   152,413.83 : 228,631.59 = 52,572.51 : x
2. Step 2: Convert to fraction form
   152,413.83/228,631.59 = 52,572.51/x
3. Step 3: Cross multiply
   152,413.83x = 228,631.59 × 52,572.51
4. Step 4: Simplify right side
   152,413.83x = 12,019,736,551.59
5. Step 5: Solve for x
   x = 12,019,736,551.59/152,413.83
6. Step 6: Final answer
   x = 78,862.51