Finding the Fourth Proportional to 105,102.32, 144,794.76 and 73,213.52

Step by Step Solution

1. Step 1: Write the proportion equation
   105,102.32 : 144,794.76 = 73,213.52 : x
2. Step 2: Convert to fraction form
   105,102.32/144,794.76 = 73,213.52/x
3. Step 3: Cross multiply
   105,102.32x = 144,794.76 × 73,213.52
4. Step 4: Simplify right side
   105,102.32x = 10,600,934,057.16
5. Step 5: Solve for x
   x = 10,600,934,057.16/105,102.32
6. Step 6: Final answer
   x = 100,862.99