Finding the Fourth Proportional to 740,061.09, 1,021,287.29 and 400,529.25

Step by Step Solution

1. Step 1: Write the proportion equation
   740,061.09 : 1,021,287.29 = 400,529.25 : x
2. Step 2: Convert to fraction form
   740,061.09/1,021,287.29 = 400,529.25/x
3. Step 3: Cross multiply
   740,061.09x = 1,021,287.29 × 400,529.25
4. Step 4: Simplify right side
   740,061.09x = 409,055,432,298.23
5. Step 5: Solve for x
   x = 409,055,432,298.23/740,061.09
6. Step 6: Final answer
   x = 552,731.98