Finding the Fourth Proportional to 22,784.04, 34,155.18 and 7,984.89

Step by Step Solution

1. Step 1: Write the proportion equation
   22,784.04 : 34,155.18 = 7,984.89 : x
2. Step 2: Convert to fraction form
   22,784.04/34,155.18 = 7,984.89/x
3. Step 3: Cross multiply
   22,784.04x = 34,155.18 × 7,984.89
4. Step 4: Simplify right side
   22,784.04x = 272,725,355.23
5. Step 5: Solve for x
   x = 272,725,355.23/22,784.04
6. Step 6: Final answer
   x = 11,970.02