Finding the Fourth Proportional to 1,155,814.17, 1,594,936.94 and 646,418.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155,814.17 : 1,594,936.94 = 646,418.13 : x
2. Step 2: Convert to fraction form
   1,155,814.17/1,594,936.94 = 646,418.13/x
3. Step 3: Cross multiply
   1,155,814.17x = 1,594,936.94 × 646,418.13
4. Step 4: Simplify right side
   1,155,814.17x = 1,030,996,154,222.72
5. Step 5: Solve for x
   x = 1,030,996,154,222.72/1,155,814.17
6. Step 6: Final answer
   x = 892,008.58