Finding the Fourth Proportional to 1,066,706.28, 1,600,061.00 and 435,620.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066,706.28 : 1,600,061.00 = 435,620.12 : x
2. Step 2: Convert to fraction form
   1,066,706.28/1,600,061.00 = 435,620.12/x
3. Step 3: Cross multiply
   1,066,706.28x = 1,600,061.00 × 435,620.12
4. Step 4: Simplify right side
   1,066,706.28x = 697,018,754,648.91
5. Step 5: Solve for x
   x = 697,018,754,648.91/1,066,706.28
6. Step 6: Final answer
   x = 653,430.82