Finding the Fourth Proportional to 11,807.42, 17,730.86 and 7,375.39

Step by Step Solution

1. Step 1: Write the proportion equation
   11,807.42 : 17,730.86 = 7,375.39 : x
2. Step 2: Convert to fraction form
   11,807.42/17,730.86 = 7,375.39/x
3. Step 3: Cross multiply
   11,807.42x = 17,730.86 × 7,375.39
4. Step 4: Simplify right side
   11,807.42x = 130,771,926.33
5. Step 5: Solve for x
   x = 130,771,926.33/11,807.42
6. Step 6: Final answer
   x = 11,075.41