Finding the Fourth Proportional to 213,086.72, 294,051.04 and 117,592.16

Step by Step Solution

1. Step 1: Write the proportion equation
   213,086.72 : 294,051.04 = 117,592.16 : x
2. Step 2: Convert to fraction form
   213,086.72/294,051.04 = 117,592.16/x
3. Step 3: Cross multiply
   213,086.72x = 294,051.04 × 117,592.16
4. Step 4: Simplify right side
   213,086.72x = 34,578,096,943.85
5. Step 5: Solve for x
   x = 34,578,096,943.85/213,086.72
6. Step 6: Final answer
   x = 162,272.42