Finding the Fourth Proportional to 764,076.42, 1,054,748.72 and 515,772.54

Step by Step Solution

1. Step 1: Write the proportion equation
   764,076.42 : 1,054,748.72 = 515,772.54 : x
2. Step 2: Convert to fraction form
   764,076.42/1,054,748.72 = 515,772.54/x
3. Step 3: Cross multiply
   764,076.42x = 1,054,748.72 × 515,772.54
4. Step 4: Simplify right side
   764,076.42x = 544,010,427,665.58
5. Step 5: Solve for x
   x = 544,010,427,665.58/764,076.42
6. Step 6: Final answer
   x = 711,984.32