Finding the Fourth Proportional to 1,155,667.98, 1,594,813.14 and 646,370.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155,667.98 : 1,594,813.14 = 646,370.36 : x
2. Step 2: Convert to fraction form
   1,155,667.98/1,594,813.14 = 646,370.36/x
3. Step 3: Cross multiply
   1,155,667.98x = 1,594,813.14 × 646,370.36
4. Step 4: Simplify right side
   1,155,667.98x = 1,030,839,935,460.46
5. Step 5: Solve for x
   x = 1,030,839,935,460.46/1,155,667.98
6. Step 6: Final answer
   x = 891,986.24