Finding the Fourth Proportional to 710,293.57, 1,065,495.03 and 236,978.17

Step by Step Solution

1. Step 1: Write the proportion equation
   710,293.57 : 1,065,495.03 = 236,978.17 : x
2. Step 2: Convert to fraction form
   710,293.57/1,065,495.03 = 236,978.17/x
3. Step 3: Cross multiply
   710,293.57x = 1,065,495.03 × 236,978.17
4. Step 4: Simplify right side
   710,293.57x = 252,499,062,353.50
5. Step 5: Solve for x
   x = 252,499,062,353.50/710,293.57
6. Step 6: Final answer
   x = 355,485.50