Finding the Fourth Proportional to 213,569.76, 294,736.56 and 118,074.72

Step by Step Solution

1. Step 1: Write the proportion equation
   213,569.76 : 294,736.56 = 118,074.72 : x
2. Step 2: Convert to fraction form
   213,569.76/294,736.56 = 118,074.72/x
3. Step 3: Cross multiply
   213,569.76x = 294,736.56 × 118,074.72
4. Step 4: Simplify right side
   213,569.76x = 34,800,936,795.76
5. Step 5: Solve for x
   x = 34,800,936,795.76/213,569.76
6. Step 6: Final answer
   x = 162,948.80