Finding the Fourth Proportional to 11,392.35, 17,090.99 and 3,494.89

Step by Step Solution

1. Step 1: Write the proportion equation
   11,392.35 : 17,090.99 = 3,494.89 : x
2. Step 2: Convert to fraction form
   11,392.35/17,090.99 = 3,494.89/x
3. Step 3: Cross multiply
   11,392.35x = 17,090.99 × 3,494.89
4. Step 4: Simplify right side
   11,392.35x = 59,731,130.04
5. Step 5: Solve for x
   x = 59,731,130.04/11,392.35
6. Step 6: Final answer
   x = 5,243.09