Finding the Fourth Proportional to 42,216, 63,342.24 and 22,488.96

Step by Step Solution

1. Step 1: Write the proportion equation
   42,216 : 63,342.24 = 22,488.96 : x
2. Step 2: Convert to fraction form
   42,216/63,342.24 = 22,488.96/x
3. Step 3: Cross multiply
   42,216x = 63,342.24 × 22,488.96
4. Step 4: Simplify right side
   42,216x = 1,424,501,101.67
5. Step 5: Solve for x
   x = 1,424,501,101.67/42,216
6. Step 6: Final answer
   x = 33,743.16