Finding the Fourth Proportional to 35,407.92, 53,144.72 and 17,890.05

Step by Step Solution

1. Step 1: Write the proportion equation
   35,407.92 : 53,144.72 = 17,890.05 : x
2. Step 2: Convert to fraction form
   35,407.92/53,144.72 = 17,890.05/x
3. Step 3: Cross multiply
   35,407.92x = 53,144.72 × 17,890.05
4. Step 4: Simplify right side
   35,407.92x = 950,761,698.04
5. Step 5: Solve for x
   x = 950,761,698.04/35,407.92
6. Step 6: Final answer
   x = 26,851.67