Finding the Fourth Proportional to 13,290.67, 19,922.32 and 5,898.61

Step by Step Solution

1. Step 1: Write the proportion equation
   13,290.67 : 19,922.32 = 5,898.61 : x
2. Step 2: Convert to fraction form
   13,290.67/19,922.32 = 5,898.61/x
3. Step 3: Cross multiply
   13,290.67x = 19,922.32 × 5,898.61
4. Step 4: Simplify right side
   13,290.67x = 117,513,866.87
5. Step 5: Solve for x
   x = 117,513,866.87/13,290.67
6. Step 6: Final answer
   x = 8,841.83