Finding the Fourth Proportional to 11,870.15, 17,800.36 and 5,291.83

Step by Step Solution

1. Step 1: Write the proportion equation
   11,870.15 : 17,800.36 = 5,291.83 : x
2. Step 2: Convert to fraction form
   11,870.15/17,800.36 = 5,291.83/x
3. Step 3: Cross multiply
   11,870.15x = 17,800.36 × 5,291.83
4. Step 4: Simplify right side
   11,870.15x = 94,196,488.08
5. Step 5: Solve for x
   x = 94,196,488.08/11,870.15
6. Step 6: Final answer
   x = 7,935.58