Finding the Fourth Proportional to 213,141.42, 294,114.18 and 117,641.92

Step by Step Solution

1. Step 1: Write the proportion equation
   213,141.42 : 294,114.18 = 117,641.92 : x
2. Step 2: Convert to fraction form
   213,141.42/294,114.18 = 117,641.92/x
3. Step 3: Cross multiply
   213,141.42x = 294,114.18 × 117,641.92
4. Step 4: Simplify right side
   213,141.42x = 34,600,156,834.43
5. Step 5: Solve for x
   x = 34,600,156,834.43/213,141.42
6. Step 6: Final answer
   x = 162,334.27