Finding the Fourth Proportional to 53,395.83, 80,085.33 and 17,856.87

Step by Step Solution

1. Step 1: Write the proportion equation
   53,395.83 : 80,085.33 = 17,856.87 : x
2. Step 2: Convert to fraction form
   53,395.83/80,085.33 = 17,856.87/x
3. Step 3: Cross multiply
   53,395.83x = 80,085.33 × 17,856.87
4. Step 4: Simplify right side
   53,395.83x = 1,430,073,326.72
5. Step 5: Solve for x
   x = 1,430,073,326.72/53,395.83
6. Step 6: Final answer
   x = 26,782.49