Finding the Fourth Proportional to 42,567.46, 63,890.56 and 21,522.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,567.46 : 63,890.56 = 21,522.34 : x
2. Step 2: Convert to fraction form
   42,567.46/63,890.56 = 21,522.34/x
3. Step 3: Cross multiply
   42,567.46x = 63,890.56 × 21,522.34
4. Step 4: Simplify right side
   42,567.46x = 1,375,074,355.11
5. Step 5: Solve for x
   x = 1,375,074,355.11/42,567.46
6. Step 6: Final answer
   x = 32,303.42