Finding the Fourth Proportional to 540,501.96, 745,881.72 and 298,794.72

Step by Step Solution

1. Step 1: Write the proportion equation
   540,501.96 : 745,881.72 = 298,794.72 : x
2. Step 2: Convert to fraction form
   540,501.96/745,881.72 = 298,794.72/x
3. Step 3: Cross multiply
   540,501.96x = 745,881.72 × 298,794.72
4. Step 4: Simplify right side
   540,501.96x = 222,865,519,680.52
5. Step 5: Solve for x
   x = 222,865,519,680.52/540,501.96
6. Step 6: Final answer
   x = 412,330.64