Finding the Fourth Proportional to 21,802.35, 32,700.45 and 7,009.39

Step by Step Solution

1. Step 1: Write the proportion equation
   21,802.35 : 32,700.45 = 7,009.39 : x
2. Step 2: Convert to fraction form
   21,802.35/32,700.45 = 7,009.39/x
3. Step 3: Cross multiply
   21,802.35x = 32,700.45 × 7,009.39
4. Step 4: Simplify right side
   21,802.35x = 229,210,151.76
5. Step 5: Solve for x
   x = 229,210,151.76/21,802.35
6. Step 6: Final answer
   x = 10,513.09