Finding the Fourth Proportional to 2,642,120.90, 3,646,064.72 and 1,554,462.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,642,120.90 : 3,646,064.72 = 1,554,462.47 : x
2. Step 2: Convert to fraction form
   2,642,120.90/3,646,064.72 = 1,554,462.47/x
3. Step 3: Cross multiply
   2,642,120.90x = 3,646,064.72 × 1,554,462.47
4. Step 4: Simplify right side
   2,642,120.90x = 5,667,670,744,428.42
5. Step 5: Solve for x
   x = 5,667,670,744,428.42/2,642,120.90
6. Step 6: Final answer
   x = 2,145,121.65