Finding the Fourth Proportional to 13,009.16, 17,950.71 and 7,902.02

Step by Step Solution

1. Step 1: Write the proportion equation
   13,009.16 : 17,950.71 = 7,902.02 : x
2. Step 2: Convert to fraction form
   13,009.16/17,950.71 = 7,902.02/x
3. Step 3: Cross multiply
   13,009.16x = 17,950.71 × 7,902.02
4. Step 4: Simplify right side
   13,009.16x = 141,846,779.68
5. Step 5: Solve for x
   x = 141,846,779.68/13,009.16
6. Step 6: Final answer
   x = 10,903.61