Finding the Fourth Proportional to 462,164.99, 693,818.37 and 219,238.34

Step by Step Solution

1. Step 1: Write the proportion equation
   462,164.99 : 693,818.37 = 219,238.34 : x
2. Step 2: Convert to fraction form
   462,164.99/693,818.37 = 219,238.34/x
3. Step 3: Cross multiply
   462,164.99x = 693,818.37 × 219,238.34
4. Step 4: Simplify right side
   462,164.99x = 152,111,584,231.21
5. Step 5: Solve for x
   x = 152,111,584,231.21/462,164.99
6. Step 6: Final answer
   x = 329,128.32