Finding the Fourth Proportional to 711,995.06, 1,068,167.59 and 213,359.06

Step by Step Solution

1. Step 1: Write the proportion equation
   711,995.06 : 1,068,167.59 = 213,359.06 : x
2. Step 2: Convert to fraction form
   711,995.06/1,068,167.59 = 213,359.06/x
3. Step 3: Cross multiply
   711,995.06x = 1,068,167.59 × 213,359.06
4. Step 4: Simplify right side
   711,995.06x = 227,903,235,061.89
5. Step 5: Solve for x
   x = 227,903,235,061.89/711,995.06
6. Step 6: Final answer
   x = 320,091.03