Finding the Fourth Proportional to 14,111.31, 21,148.64 and 10,573.53

Step by Step Solution

1. Step 1: Write the proportion equation
   14,111.31 : 21,148.64 = 10,573.53 : x
2. Step 2: Convert to fraction form
   14,111.31/21,148.64 = 10,573.53/x
3. Step 3: Cross multiply
   14,111.31x = 21,148.64 × 10,573.53
4. Step 4: Simplify right side
   14,111.31x = 223,615,726.63
5. Step 5: Solve for x
   x = 223,615,726.63/14,111.31
6. Step 6: Final answer
   x = 15,846.56