Finding the Fourth Proportional to 147,491.82, 221,273.25 and 42,309.87

Step by Step Solution

1. Step 1: Write the proportion equation
   147,491.82 : 221,273.25 = 42,309.87 : x
2. Step 2: Convert to fraction form
   147,491.82/221,273.25 = 42,309.87/x
3. Step 3: Cross multiply
   147,491.82x = 221,273.25 × 42,309.87
4. Step 4: Simplify right side
   147,491.82x = 9,362,042,441.98
5. Step 5: Solve for x
   x = 9,362,042,441.98/147,491.82
6. Step 6: Final answer
   x = 63,474.99