Finding the Fourth Proportional to 1,905,086.72, 2,857,149.12 and 706,350.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,905,086.72 : 2,857,149.12 = 706,350.08 : x
2. Step 2: Convert to fraction form
   1,905,086.72/2,857,149.12 = 706,350.08/x
3. Step 3: Cross multiply
   1,905,086.72x = 2,857,149.12 × 706,350.08
4. Step 4: Simplify right side
   1,905,086.72x = 2,018,147,509,483.93
5. Step 5: Solve for x
   x = 2,018,147,509,483.93/1,905,086.72
6. Step 6: Final answer
   x = 1,059,346.79