Finding the Fourth Proportional to 65,160, 89,920.89 and 36,865.08

Step by Step Solution

1. Step 1: Write the proportion equation
   65,160 : 89,920.89 = 36,865.08 : x
2. Step 2: Convert to fraction form
   65,160/89,920.89 = 36,865.08/x
3. Step 3: Cross multiply
   65,160x = 89,920.89 × 36,865.08
4. Step 4: Simplify right side
   65,160x = 3,314,940,803.52
5. Step 5: Solve for x
   x = 3,314,940,803.52/65,160
6. Step 6: Final answer
   x = 50,873.86