Finding the Fourth Proportional to 42,196.08, 63,291.84 and 21,419.04

Step by Step Solution

1. Step 1: Write the proportion equation
   42,196.08 : 63,291.84 = 21,419.04 : x
2. Step 2: Convert to fraction form
   42,196.08/63,291.84 = 21,419.04/x
3. Step 3: Cross multiply
   42,196.08x = 63,291.84 × 21,419.04
4. Step 4: Simplify right side
   42,196.08x = 1,355,650,452.63
5. Step 5: Solve for x
   x = 1,355,650,452.63/42,196.08
6. Step 6: Final answer
   x = 32,127.40