Finding the Fourth Proportional to 65,522.34, 90,329.22 and 55,410.12

Step by Step Solution

1. Step 1: Write the proportion equation
   65,522.34 : 90,329.22 = 55,410.12 : x
2. Step 2: Convert to fraction form
   65,522.34/90,329.22 = 55,410.12/x
3. Step 3: Cross multiply
   65,522.34x = 90,329.22 × 55,410.12
4. Step 4: Simplify right side
   65,522.34x = 5,005,152,919.71
5. Step 5: Solve for x
   x = 5,005,152,919.71/65,522.34
6. Step 6: Final answer
   x = 76,388.49