Finding the Fourth Proportional to 2,978,747.26, 4,470,009.00 and 1,272,902.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978,747.26 : 4,470,009.00 = 1,272,902.45 : x
2. Step 2: Convert to fraction form
   2,978,747.26/4,470,009.00 = 1,272,902.45/x
3. Step 3: Cross multiply
   2,978,747.26x = 4,470,009.00 × 1,272,902.45
4. Step 4: Simplify right side
   2,978,747.26x = 5,689,885,380,498.62
5. Step 5: Solve for x
   x = 5,689,885,380,498.62/2,978,747.26
6. Step 6: Final answer
   x = 1,910,160.51