Finding the Fourth Proportional to 3,111,786.52, 4,668,030.06 and 981,240.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111,786.52 : 4,668,030.06 = 981,240.28 : x
2. Step 2: Convert to fraction form
   3,111,786.52/4,668,030.06 = 981,240.28/x
3. Step 3: Cross multiply
   3,111,786.52x = 4,668,030.06 × 981,240.28
4. Step 4: Simplify right side
   3,111,786.52x = 4,580,459,123,122.82
5. Step 5: Solve for x
   x = 4,580,459,123,122.82/3,111,786.52
6. Step 6: Final answer
   x = 1,471,970.87