Finding the Fourth Proportional to 1,156,164.10, 1,734,548.55 and 446,215.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156,164.10 : 1,734,548.55 = 446,215.30 : x
2. Step 2: Convert to fraction form
   1,156,164.10/1,734,548.55 = 446,215.30/x
3. Step 3: Cross multiply
   1,156,164.10x = 1,734,548.55 × 446,215.30
4. Step 4: Simplify right side
   1,156,164.10x = 773,982,101,602.82
5. Step 5: Solve for x
   x = 773,982,101,602.82/1,156,164.10
6. Step 6: Final answer
   x = 669,439.66