Finding the Fourth Proportional to 19,531.10, 29,298.01 and 7,844.31

Step by Step Solution

1. Step 1: Write the proportion equation
   19,531.10 : 29,298.01 = 7,844.31 : x
2. Step 2: Convert to fraction form
   19,531.10/29,298.01 = 7,844.31/x
3. Step 3: Cross multiply
   19,531.10x = 29,298.01 × 7,844.31
4. Step 4: Simplify right side
   19,531.10x = 229,822,672.82
5. Step 5: Solve for x
   x = 229,822,672.82/19,531.10
6. Step 6: Final answer
   x = 11,767.01