Finding the Fourth Proportional to 540,697.52, 746,150.76 and 298,990.16

Step by Step Solution

1. Step 1: Write the proportion equation
   540,697.52 : 746,150.76 = 298,990.16 : x
2. Step 2: Convert to fraction form
   540,697.52/746,150.76 = 298,990.16/x
3. Step 3: Cross multiply
   540,697.52x = 746,150.76 × 298,990.16
4. Step 4: Simplify right side
   540,697.52x = 223,091,735,116.52
5. Step 5: Solve for x
   x = 223,091,735,116.52/540,697.52
6. Step 6: Final answer
   x = 412,599.89