Finding the Fourth Proportional to 22,002.60, 33,009.02 and 7,210.62

Step by Step Solution

1. Step 1: Write the proportion equation
   22,002.60 : 33,009.02 = 7,210.62 : x
2. Step 2: Convert to fraction form
   22,002.60/33,009.02 = 7,210.62/x
3. Step 3: Cross multiply
   22,002.60x = 33,009.02 × 7,210.62
4. Step 4: Simplify right side
   22,002.60x = 238,015,499.79
5. Step 5: Solve for x
   x = 238,015,499.79/22,002.60
6. Step 6: Final answer
   x = 10,817.61