Finding the Fourth Proportional to 21,884.99, 32,820.59 and 7,090.47

Step by Step Solution

1. Step 1: Write the proportion equation
   21,884.99 : 32,820.59 = 7,090.47 : x
2. Step 2: Convert to fraction form
   21,884.99/32,820.59 = 7,090.47/x
3. Step 3: Cross multiply
   21,884.99x = 32,820.59 × 7,090.47
4. Step 4: Simplify right side
   21,884.99x = 232,713,426.50
5. Step 5: Solve for x
   x = 232,713,426.50/21,884.99
6. Step 6: Final answer
   x = 10,633.47