Finding the Fourth Proportional to 51,150.24, 76,725.60 and 17,870.16

Step by Step Solution

1. Step 1: Write the proportion equation
   51,150.24 : 76,725.60 = 17,870.16 : x
2. Step 2: Convert to fraction form
   51,150.24/76,725.60 = 17,870.16/x
3. Step 3: Cross multiply
   51,150.24x = 76,725.60 × 17,870.16
4. Step 4: Simplify right side
   51,150.24x = 1,371,098,748.10
5. Step 5: Solve for x
   x = 1,371,098,748.10/51,150.24
6. Step 6: Final answer
   x = 26,805.32