Finding the Fourth Proportional to 540,111, 745,353.18 and 301,647

Step by Step Solution

1. Step 1: Write the proportion equation
   540,111 : 745,353.18 = 301,647 : x
2. Step 2: Convert to fraction form
   540,111/745,353.18 = 301,647/x
3. Step 3: Cross multiply
   540,111x = 745,353.18 × 301,647
4. Step 4: Simplify right side
   540,111x = 224,833,550,687.46
5. Step 5: Solve for x
   x = 224,833,550,687.46/540,111
6. Step 6: Final answer
   x = 416,272.86