Finding the Fourth Proportional to 2,573,984.72, 3,552,051.65 and 1,428,040.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,573,984.72 : 3,552,051.65 = 1,428,040.46 : x
2. Step 2: Convert to fraction form
   2,573,984.72/3,552,051.65 = 1,428,040.46/x
3. Step 3: Cross multiply
   2,573,984.72x = 3,552,051.65 × 1,428,040.46
4. Step 4: Simplify right side
   2,573,984.72x = 5,072,473,447,309.30
5. Step 5: Solve for x
   x = 5,072,473,447,309.30/2,573,984.72
6. Step 6: Final answer
   x = 1,970,669.61