Finding the Fourth Proportional to 12,902.93, 17,806.23 and 7,238.93

Step by Step Solution

1. Step 1: Write the proportion equation
   12,902.93 : 17,806.23 = 7,238.93 : x
2. Step 2: Convert to fraction form
   12,902.93/17,806.23 = 7,238.93/x
3. Step 3: Cross multiply
   12,902.93x = 17,806.23 × 7,238.93
4. Step 4: Simplify right side
   12,902.93x = 128,897,963.50
5. Step 5: Solve for x
   x = 128,897,963.50/12,902.93
6. Step 6: Final answer
   x = 9,989.83