Finding the Fourth Proportional to 105,880.32, 146,077.56 and 65,552.04

Step by Step Solution

1. Step 1: Write the proportion equation
   105,880.32 : 146,077.56 = 65,552.04 : x
2. Step 2: Convert to fraction form
   105,880.32/146,077.56 = 65,552.04/x
3. Step 3: Cross multiply
   105,880.32x = 146,077.56 × 65,552.04
4. Step 4: Simplify right side
   105,880.32x = 9,575,682,056.22
5. Step 5: Solve for x
   x = 9,575,682,056.22/105,880.32
6. Step 6: Final answer
   x = 90,438.73