Finding the Fourth Proportional to 21,275.37, 32,072.34 and 19,848.15

Step by Step Solution

1. Step 1: Write the proportion equation
   21,275.37 : 32,072.34 = 19,848.15 : x
2. Step 2: Convert to fraction form
   21,275.37/32,072.34 = 19,848.15/x
3. Step 3: Cross multiply
   21,275.37x = 32,072.34 × 19,848.15
4. Step 4: Simplify right side
   21,275.37x = 636,576,565.55
5. Step 5: Solve for x
   x = 636,576,565.55/21,275.37
6. Step 6: Final answer
   x = 29,920.82