Finding the Fourth Proportional to 13,783.01, 19,019.98 and 7,814.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,783.01 : 19,019.98 = 7,814.56 : x
2. Step 2: Convert to fraction form
   13,783.01/19,019.98 = 7,814.56/x
3. Step 3: Cross multiply
   13,783.01x = 19,019.98 × 7,814.56
4. Step 4: Simplify right side
   13,783.01x = 148,632,679.81
5. Step 5: Solve for x
   x = 148,632,679.81/13,783.01
6. Step 6: Final answer
   x = 10,783.76