Finding the Fourth Proportional to 688,123.91, 1,032,185.86 and 214,849.82

Step by Step Solution

1. Step 1: Write the proportion equation
   688,123.91 : 1,032,185.86 = 214,849.82 : x
2. Step 2: Convert to fraction form
   688,123.91/1,032,185.86 = 214,849.82/x
3. Step 3: Cross multiply
   688,123.91x = 1,032,185.86 × 214,849.82
4. Step 4: Simplify right side
   688,123.91x = 221,764,943,069.11
5. Step 5: Solve for x
   x = 221,764,943,069.11/688,123.91
6. Step 6: Final answer
   x = 322,274.73