Finding the Fourth Proportional to 1,505,443.12, 2,260,406.72 and 608,636.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,505,443.12 : 2,260,406.72 = 608,636.43 : x
2. Step 2: Convert to fraction form
   1,505,443.12/2,260,406.72 = 608,636.43/x
3. Step 3: Cross multiply
   1,505,443.12x = 2,260,406.72 × 608,636.43
4. Step 4: Simplify right side
   1,505,443.12x = 1,375,765,877,930.40
5. Step 5: Solve for x
   x = 1,375,765,877,930.40/1,505,443.12
6. Step 6: Final answer
   x = 913,861.08