Finding the Fourth Proportional to 1,064,401.79, 1,596,856.91 and 354,435.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064,401.79 : 1,596,856.91 = 354,435.98 : x
2. Step 2: Convert to fraction form
   1,064,401.79/1,596,856.91 = 354,435.98/x
3. Step 3: Cross multiply
   1,064,401.79x = 1,596,856.91 × 354,435.98
4. Step 4: Simplify right side
   1,064,401.79x = 565,983,534,059.16
5. Step 5: Solve for x
   x = 565,983,534,059.16/1,064,401.79
6. Step 6: Final answer
   x = 531,738.62