Finding the Fourth Proportional to 213,026.65, 293,977.73 and 117,536.15

Step by Step Solution

1. Step 1: Write the proportion equation
   213,026.65 : 293,977.73 = 117,536.15 : x
2. Step 2: Convert to fraction form
   213,026.65/293,977.73 = 117,536.15/x
3. Step 3: Cross multiply
   213,026.65x = 293,977.73 × 117,536.15
4. Step 4: Simplify right side
   213,026.65x = 34,553,011,598.72
5. Step 5: Solve for x
   x = 34,553,011,598.72/213,026.65
6. Step 6: Final answer
   x = 162,200.42