Finding the Fourth Proportional to 11,903.51, 17,853.01 and 5,978.81

Step by Step Solution

1. Step 1: Write the proportion equation
   11,903.51 : 17,853.01 = 5,978.81 : x
2. Step 2: Convert to fraction form
   11,903.51/17,853.01 = 5,978.81/x
3. Step 3: Cross multiply
   11,903.51x = 17,853.01 × 5,978.81
4. Step 4: Simplify right side
   11,903.51x = 106,739,851.51
5. Step 5: Solve for x
   x = 106,739,851.51/11,903.51
6. Step 6: Final answer
   x = 8,967.09