Finding the Fourth Proportional to 21,845.16, 32,772.60 and 7,051.32

Step by Step Solution

1. Step 1: Write the proportion equation
   21,845.16 : 32,772.60 = 7,051.32 : x
2. Step 2: Convert to fraction form
   21,845.16/32,772.60 = 7,051.32/x
3. Step 3: Cross multiply
   21,845.16x = 32,772.60 × 7,051.32
4. Step 4: Simplify right side
   21,845.16x = 231,090,089.83
5. Step 5: Solve for x
   x = 231,090,089.83/21,845.16
6. Step 6: Final answer
   x = 10,578.55