Finding the Fourth Proportional to 1,064,380.10, 1,596,825.30 and 354,414.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064,380.10 : 1,596,825.30 = 354,414.56 : x
2. Step 2: Convert to fraction form
   1,064,380.10/1,596,825.30 = 354,414.56/x
3. Step 3: Cross multiply
   1,064,380.10x = 1,596,825.30 × 354,414.56
4. Step 4: Simplify right side
   1,064,380.10x = 565,938,136,096.37
5. Step 5: Solve for x
   x = 565,938,136,096.37/1,064,380.10
6. Step 6: Final answer
   x = 531,706.80