Finding the Fourth Proportional to 13,333.86, 19,993.94 and 7,798.02

Step by Step Solution

1. Step 1: Write the proportion equation
   13,333.86 : 19,993.94 = 7,798.02 : x
2. Step 2: Convert to fraction form
   13,333.86/19,993.94 = 7,798.02/x
3. Step 3: Cross multiply
   13,333.86x = 19,993.94 × 7,798.02
4. Step 4: Simplify right side
   13,333.86x = 155,913,144.00
5. Step 5: Solve for x
   x = 155,913,144.00/13,333.86
6. Step 6: Final answer
   x = 11,693.02