Finding the Fourth Proportional to 12,801.83, 19,223.58 and 7,902.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,801.83 : 19,223.58 = 7,902.62 : x
2. Step 2: Convert to fraction form
   12,801.83/19,223.58 = 7,902.62/x
3. Step 3: Cross multiply
   12,801.83x = 19,223.58 × 7,902.62
4. Step 4: Simplify right side
   12,801.83x = 151,916,551.66
5. Step 5: Solve for x
   x = 151,916,551.66/12,801.83
6. Step 6: Final answer
   x = 11,866.79