Finding the Fourth Proportional to 14,181.83, 19,571.40 and 7,808.91

Step by Step Solution

1. Step 1: Write the proportion equation
   14,181.83 : 19,571.40 = 7,808.91 : x
2. Step 2: Convert to fraction form
   14,181.83/19,571.40 = 7,808.91/x
3. Step 3: Cross multiply
   14,181.83x = 19,571.40 × 7,808.91
4. Step 4: Simplify right side
   14,181.83x = 152,831,301.17
5. Step 5: Solve for x
   x = 152,831,301.17/14,181.83
6. Step 6: Final answer
   x = 10,776.56