Finding the Fourth Proportional to 1,355,499.18, 2,032,658.15 and 456,773.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,355,499.18 : 2,032,658.15 = 456,773.40 : x
2. Step 2: Convert to fraction form
   1,355,499.18/2,032,658.15 = 456,773.40/x
3. Step 3: Cross multiply
   1,355,499.18x = 2,032,658.15 × 456,773.40
4. Step 4: Simplify right side
   1,355,499.18x = 928,464,171,929.34
5. Step 5: Solve for x
   x = 928,464,171,929.34/1,355,499.18
6. Step 6: Final answer
   x = 684,961.07