Finding the Fourth Proportional to 213,061.25, 294,012.95 and 117,549.29

Step by Step Solution

1. Step 1: Write the proportion equation
   213,061.25 : 294,012.95 = 117,549.29 : x
2. Step 2: Convert to fraction form
   213,061.25/294,012.95 = 117,549.29/x
3. Step 3: Cross multiply
   213,061.25x = 294,012.95 × 117,549.29
4. Step 4: Simplify right side
   213,061.25x = 34,561,012,935.56
5. Step 5: Solve for x
   x = 34,561,012,935.56/213,061.25
6. Step 6: Final answer
   x = 162,211.63