Finding the Fourth Proportional to 32,899.63, 45,380.59 and 21,569.86

Step by Step Solution

1. Step 1: Write the proportion equation
   32,899.63 : 45,380.59 = 21,569.86 : x
2. Step 2: Convert to fraction form
   32,899.63/45,380.59 = 21,569.86/x
3. Step 3: Cross multiply
   32,899.63x = 45,380.59 × 21,569.86
4. Step 4: Simplify right side
   32,899.63x = 978,853,090.75
5. Step 5: Solve for x
   x = 978,853,090.75/32,899.63
6. Step 6: Final answer
   x = 29,752.71