Finding the Fourth Proportional to 953,618.56, 1,315,672.72 and 540,099

Step by Step Solution

1. Step 1: Write the proportion equation
   953,618.56 : 1,315,672.72 = 540,099 : x
2. Step 2: Convert to fraction form
   953,618.56/1,315,672.72 = 540,099/x
3. Step 3: Cross multiply
   953,618.56x = 1,315,672.72 × 540,099
4. Step 4: Simplify right side
   953,618.56x = 710,593,520,399.28
5. Step 5: Solve for x
   x = 710,593,520,399.28/953,618.56
6. Step 6: Final answer
   x = 745,154.88