Finding the Fourth Proportional to 65,074.32, 89,876.34 and 43,816.68

Step by Step Solution

1. Step 1: Write the proportion equation
   65,074.32 : 89,876.34 = 43,816.68 : x
2. Step 2: Convert to fraction form
   65,074.32/89,876.34 = 43,816.68/x
3. Step 3: Cross multiply
   65,074.32x = 89,876.34 × 43,816.68
4. Step 4: Simplify right side
   65,074.32x = 3,938,082,829.35
5. Step 5: Solve for x
   x = 3,938,082,829.35/65,074.32
6. Step 6: Final answer
   x = 60,516.70