Finding the Fourth Proportional to 213,012.94, 293,957.52 and 116,216.80

Step by Step Solution

1. Step 1: Write the proportion equation
   213,012.94 : 293,957.52 = 116,216.80 : x
2. Step 2: Convert to fraction form
   213,012.94/293,957.52 = 116,216.80/x
3. Step 3: Cross multiply
   213,012.94x = 293,957.52 × 116,216.80
4. Step 4: Simplify right side
   213,012.94x = 34,162,802,310.34
5. Step 5: Solve for x
   x = 34,162,802,310.34/213,012.94
6. Step 6: Final answer
   x = 160,379.00