Finding the Fourth Proportional to 13,348.03, 19,994.32 and 7,784.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,348.03 : 19,994.32 = 7,784.50 : x
2. Step 2: Convert to fraction form
   13,348.03/19,994.32 = 7,784.50/x
3. Step 3: Cross multiply
   13,348.03x = 19,994.32 × 7,784.50
4. Step 4: Simplify right side
   13,348.03x = 155,645,784.04
5. Step 5: Solve for x
   x = 155,645,784.04/13,348.03
6. Step 6: Final answer
   x = 11,660.58