Finding the Fourth Proportional to 57,837, 86,269.33 and 52,521.78

Step by Step Solution

1. Step 1: Write the proportion equation
   57,837 : 86,269.33 = 52,521.78 : x
2. Step 2: Convert to fraction form
   57,837/86,269.33 = 52,521.78/x
3. Step 3: Cross multiply
   57,837x = 86,269.33 × 52,521.78
4. Step 4: Simplify right side
   57,837x = 4,531,018,508.40
5. Step 5: Solve for x
   x = 4,531,018,508.40/57,837
6. Step 6: Final answer
   x = 78,341.17