Finding the Fourth Proportional to 32,990.88, 49,478.72 and 19,667.63

Step by Step Solution

1. Step 1: Write the proportion equation
   32,990.88 : 49,478.72 = 19,667.63 : x
2. Step 2: Convert to fraction form
   32,990.88/49,478.72 = 19,667.63/x
3. Step 3: Cross multiply
   32,990.88x = 49,478.72 × 19,667.63
4. Step 4: Simplify right side
   32,990.88x = 973,129,157.83
5. Step 5: Solve for x
   x = 973,129,157.83/32,990.88
6. Step 6: Final answer
   x = 29,496.91