Finding the Fourth Proportional to 1,501,986.78, 2,253,270.18 and 490,835.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,501,986.78 : 2,253,270.18 = 490,835.99 : x
2. Step 2: Convert to fraction form
   1,501,986.78/2,253,270.18 = 490,835.99/x
3. Step 3: Cross multiply
   1,501,986.78x = 2,253,270.18 × 490,835.99
4. Step 4: Simplify right side
   1,501,986.78x = 1,105,986,088,271.43
5. Step 5: Solve for x
   x = 1,105,986,088,271.43/1,501,986.78
6. Step 6: Final answer
   x = 736,348.75