Finding the Fourth Proportional to 1,200,647.48, 1,656,933.03 and 656,770.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200,647.48 : 1,656,933.03 = 656,770.82 : x
2. Step 2: Convert to fraction form
   1,200,647.48/1,656,933.03 = 656,770.82/x
3. Step 3: Cross multiply
   1,200,647.48x = 1,656,933.03 × 656,770.82
4. Step 4: Simplify right side
   1,200,647.48x = 1,088,225,256,513.52
5. Step 5: Solve for x
   x = 1,088,225,256,513.52/1,200,647.48
6. Step 6: Final answer
   x = 906,365.34