Finding the Fourth Proportional to 2,050,971.45, 2,830,410.59 and 1,287,446.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,050,971.45 : 2,830,410.59 = 1,287,446.01 : x
2. Step 2: Convert to fraction form
   2,050,971.45/2,830,410.59 = 1,287,446.01/x
3. Step 3: Cross multiply
   2,050,971.45x = 2,830,410.59 × 1,287,446.01
4. Step 4: Simplify right side
   2,050,971.45x = 3,644,000,814,320.02
5. Step 5: Solve for x
   x = 3,644,000,814,320.02/2,050,971.45
6. Step 6: Final answer
   x = 1,776,719.42