Finding the Fourth Proportional to 21,389.47, 32,084.00 and 5,807.09

Step by Step Solution

1. Step 1: Write the proportion equation
   21,389.47 : 32,084.00 = 5,807.09 : x
2. Step 2: Convert to fraction form
   21,389.47/32,084.00 = 5,807.09/x
3. Step 3: Cross multiply
   21,389.47x = 32,084.00 × 5,807.09
4. Step 4: Simplify right side
   21,389.47x = 186,314,748.51
5. Step 5: Solve for x
   x = 186,314,748.51/21,389.47
6. Step 6: Final answer
   x = 8,710.58