Finding the Fourth Proportional to 14,181.33, 19,570.71 and 7,808.40

Step by Step Solution

1. Step 1: Write the proportion equation
   14,181.33 : 19,570.71 = 7,808.40 : x
2. Step 2: Convert to fraction form
   14,181.33/19,570.71 = 7,808.40/x
3. Step 3: Cross multiply
   14,181.33x = 19,570.71 × 7,808.40
4. Step 4: Simplify right side
   14,181.33x = 152,815,931.96
5. Step 5: Solve for x
   x = 152,815,931.96/14,181.33
6. Step 6: Final answer
   x = 10,775.85