Finding the Fourth Proportional to 21,455.51, 32,175.37 and 7,411.93

Step by Step Solution

1. Step 1: Write the proportion equation
   21,455.51 : 32,175.37 = 7,411.93 : x
2. Step 2: Convert to fraction form
   21,455.51/32,175.37 = 7,411.93/x
3. Step 3: Cross multiply
   21,455.51x = 32,175.37 × 7,411.93
4. Step 4: Simplify right side
   21,455.51x = 238,481,658.28
5. Step 5: Solve for x
   x = 238,481,658.28/21,455.51
6. Step 6: Final answer
   x = 11,115.17