Finding the Fourth Proportional to 740,065.34, 1,021,293.16 and 400,533.50

Step by Step Solution

1. Step 1: Write the proportion equation
   740,065.34 : 1,021,293.16 = 400,533.50 : x
2. Step 2: Convert to fraction form
   740,065.34/1,021,293.16 = 400,533.50/x
3. Step 3: Cross multiply
   740,065.34x = 1,021,293.16 × 400,533.50
4. Step 4: Simplify right side
   740,065.34x = 409,062,123,900.86
5. Step 5: Solve for x
   x = 409,062,123,900.86/740,065.34
6. Step 6: Final answer
   x = 552,737.85