Finding the Fourth Proportional to 65,230.84, 90,071.04 and 52,443.10

Step by Step Solution

1. Step 1: Write the proportion equation
   65,230.84 : 90,071.04 = 52,443.10 : x
2. Step 2: Convert to fraction form
   65,230.84/90,071.04 = 52,443.10/x
3. Step 3: Cross multiply
   65,230.84x = 90,071.04 × 52,443.10
4. Step 4: Simplify right side
   65,230.84x = 4,723,604,557.82
5. Step 5: Solve for x
   x = 4,723,604,557.82/65,230.84
6. Step 6: Final answer
   x = 72,413.67