Finding the Fourth Proportional to 1,129,196.03, 1,693,872.18 and 455,283.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,129,196.03 : 1,693,872.18 = 455,283.37 : x
2. Step 2: Convert to fraction form
   1,129,196.03/1,693,872.18 = 455,283.37/x
3. Step 3: Cross multiply
   1,129,196.03x = 1,693,872.18 × 455,283.37
4. Step 4: Simplify right side
   1,129,196.03x = 771,191,834,459.65
5. Step 5: Solve for x
   x = 771,191,834,459.65/1,129,196.03
6. Step 6: Final answer
   x = 682,956.56