Finding the Fourth Proportional to 42,215.94, 63,278.34 and 27,435.48

Step by Step Solution

1. Step 1: Write the proportion equation
   42,215.94 : 63,278.34 = 27,435.48 : x
2. Step 2: Convert to fraction form
   42,215.94/63,278.34 = 27,435.48/x
3. Step 3: Cross multiply
   42,215.94x = 63,278.34 × 27,435.48
4. Step 4: Simplify right side
   42,215.94x = 1,736,071,631.50
5. Step 5: Solve for x
   x = 1,736,071,631.50/42,215.94
6. Step 6: Final answer
   x = 41,123.60