Finding the Fourth Proportional to 2,105,561.03, 3,158,901.05 and 666,270

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,561.03 : 3,158,901.05 = 666,270 : x
2. Step 2: Convert to fraction form
   2,105,561.03/3,158,901.05 = 666,270/x
3. Step 3: Cross multiply
   2,105,561.03x = 3,158,901.05 × 666,270
4. Step 4: Simplify right side
   2,105,561.03x = 2,104,680,999,252.15
5. Step 5: Solve for x
   x = 2,104,680,999,252.15/2,105,561.03
6. Step 6: Final answer
   x = 999,582.05