Finding the Fourth Proportional to 11,807.01, 16,291.53 and 7,091.37

Step by Step Solution

1. Step 1: Write the proportion equation
   11,807.01 : 16,291.53 = 7,091.37 : x
2. Step 2: Convert to fraction form
   11,807.01/16,291.53 = 7,091.37/x
3. Step 3: Cross multiply
   11,807.01x = 16,291.53 × 7,091.37
4. Step 4: Simplify right side
   11,807.01x = 115,529,267.10
5. Step 5: Solve for x
   x = 115,529,267.10/11,807.01
6. Step 6: Final answer
   x = 9,784.80