Finding the Fourth Proportional to 1,065,128.06, 1,469,886.72 and 606,220.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,065,128.06 : 1,469,886.72 = 606,220.12 : x
2. Step 2: Convert to fraction form
   1,065,128.06/1,469,886.72 = 606,220.12/x
3. Step 3: Cross multiply
   1,065,128.06x = 1,469,886.72 × 606,220.12
4. Step 4: Simplify right side
   1,065,128.06x = 891,074,903,784.81
5. Step 5: Solve for x
   x = 891,074,903,784.81/1,065,128.06
6. Step 6: Final answer
   x = 836,589.46