Finding the Fourth Proportional to 14,090.72, 19,445.20 and 7,803.10

Step by Step Solution

1. Step 1: Write the proportion equation
   14,090.72 : 19,445.20 = 7,803.10 : x
2. Step 2: Convert to fraction form
   14,090.72/19,445.20 = 7,803.10/x
3. Step 3: Cross multiply
   14,090.72x = 19,445.20 × 7,803.10
4. Step 4: Simplify right side
   14,090.72x = 151,732,772.00
5. Step 5: Solve for x
   x = 151,732,772.00/14,090.72
6. Step 6: Final answer
   x = 10,768.27