Finding the Fourth Proportional to 1,486,499.51, 2,049,417.31 and 1,072,689.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,486,499.51 : 2,049,417.31 = 1,072,689.01 : x
2. Step 2: Convert to fraction form
   1,486,499.51/2,049,417.31 = 1,072,689.01/x
3. Step 3: Cross multiply
   1,486,499.51x = 2,049,417.31 × 1,072,689.01
4. Step 4: Simplify right side
   1,486,499.51x = 2,198,387,425,340.76
5. Step 5: Solve for x
   x = 2,198,387,425,340.76/1,486,499.51
6. Step 6: Final answer
   x = 1,478,902.22