Finding the Fourth Proportional to 147,827.34, 221,716.71 and 42,618.06

Step by Step Solution

1. Step 1: Write the proportion equation
   147,827.34 : 221,716.71 = 42,618.06 : x
2. Step 2: Convert to fraction form
   147,827.34/221,716.71 = 42,618.06/x
3. Step 3: Cross multiply
   147,827.34x = 221,716.71 × 42,618.06
4. Step 4: Simplify right side
   147,827.34x = 9,449,136,049.78
5. Step 5: Solve for x
   x = 9,449,136,049.78/147,827.34
6. Step 6: Final answer
   x = 63,920.08