Finding the Fourth Proportional to 21,870.61, 32,797.71 and 10,175.63

Step by Step Solution

1. Step 1: Write the proportion equation
   21,870.61 : 32,797.71 = 10,175.63 : x
2. Step 2: Convert to fraction form
   21,870.61/32,797.71 = 10,175.63/x
3. Step 3: Cross multiply
   21,870.61x = 32,797.71 × 10,175.63
4. Step 4: Simplify right side
   21,870.61x = 333,737,197.82
5. Step 5: Solve for x
   x = 333,737,197.82/21,870.61
6. Step 6: Final answer
   x = 15,259.62