Finding the Fourth Proportional to 13,899.42, 19,181.88 and 7,932.26

Step by Step Solution

1. Step 1: Write the proportion equation
   13,899.42 : 19,181.88 = 7,932.26 : x
2. Step 2: Convert to fraction form
   13,899.42/19,181.88 = 7,932.26/x
3. Step 3: Cross multiply
   13,899.42x = 19,181.88 × 7,932.26
4. Step 4: Simplify right side
   13,899.42x = 152,155,707.40
5. Step 5: Solve for x
   x = 152,155,707.40/13,899.42
6. Step 6: Final answer
   x = 10,946.91