Finding the Fourth Proportional to 42,215.33, 63,277.43 and 27,434.86

Step by Step Solution

1. Step 1: Write the proportion equation
   42,215.33 : 63,277.43 = 27,434.86 : x
2. Step 2: Convert to fraction form
   42,215.33/63,277.43 = 27,434.86/x
3. Step 3: Cross multiply
   42,215.33x = 63,277.43 × 27,434.86
4. Step 4: Simplify right side
   42,215.33x = 1,736,007,116.82
5. Step 5: Solve for x
   x = 1,736,007,116.82/42,215.33
6. Step 6: Final answer
   x = 41,122.67