Finding the Fourth Proportional to 13,285.46, 19,935.98 and 5,890.74

Step by Step Solution

1. Step 1: Write the proportion equation
   13,285.46 : 19,935.98 = 5,890.74 : x
2. Step 2: Convert to fraction form
   13,285.46/19,935.98 = 5,890.74/x
3. Step 3: Cross multiply
   13,285.46x = 19,935.98 × 5,890.74
4. Step 4: Simplify right side
   13,285.46x = 117,437,674.83
5. Step 5: Solve for x
   x = 117,437,674.83/13,285.46
6. Step 6: Final answer
   x = 8,839.56