Finding the Fourth Proportional to 21,667.80, 32,438.28 and 19,592.52

Step by Step Solution

1. Step 1: Write the proportion equation
   21,667.80 : 32,438.28 = 19,592.52 : x
2. Step 2: Convert to fraction form
   21,667.80/32,438.28 = 19,592.52/x
3. Step 3: Cross multiply
   21,667.80x = 32,438.28 × 19,592.52
4. Step 4: Simplify right side
   21,667.80x = 635,547,649.67
5. Step 5: Solve for x
   x = 635,547,649.67/21,667.80
6. Step 6: Final answer
   x = 29,331.43