Finding the Fourth Proportional to 73,144.10, 109,706.42 and 28,758.93

Step by Step Solution

1. Step 1: Write the proportion equation
   73,144.10 : 109,706.42 = 28,758.93 : x
2. Step 2: Convert to fraction form
   73,144.10/109,706.42 = 28,758.93/x
3. Step 3: Cross multiply
   73,144.10x = 109,706.42 × 28,758.93
4. Step 4: Simplify right side
   73,144.10x = 3,155,039,109.54
5. Step 5: Solve for x
   x = 3,155,039,109.54/73,144.10
6. Step 6: Final answer
   x = 43,134.57