Finding the Fourth Proportional to 11,333.08, 17,004.12 and 5,091.40

Step by Step Solution

1. Step 1: Write the proportion equation
   11,333.08 : 17,004.12 = 5,091.40 : x
2. Step 2: Convert to fraction form
   11,333.08/17,004.12 = 5,091.40/x
3. Step 3: Cross multiply
   11,333.08x = 17,004.12 × 5,091.40
4. Step 4: Simplify right side
   11,333.08x = 86,574,776.57
5. Step 5: Solve for x
   x = 86,574,776.57/11,333.08
6. Step 6: Final answer
   x = 7,639.12