Finding the Fourth Proportional to 1,070,061.59, 1,605,148.83 and 271,350.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,070,061.59 : 1,605,148.83 = 271,350.06 : x
2. Step 2: Convert to fraction form
   1,070,061.59/1,605,148.83 = 271,350.06/x
3. Step 3: Cross multiply
   1,070,061.59x = 1,605,148.83 × 271,350.06
4. Step 4: Simplify right side
   1,070,061.59x = 435,557,231,329.43
5. Step 5: Solve for x
   x = 435,557,231,329.43/1,070,061.59
6. Step 6: Final answer
   x = 407,039.40