Finding the Fourth Proportional to 3,278,468.45, 4,917,711.89 and 1,148,054.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,278,468.45 : 4,917,711.89 = 1,148,054.31 : x
2. Step 2: Convert to fraction form
   3,278,468.45/4,917,711.89 = 1,148,054.31/x
3. Step 3: Cross multiply
   3,278,468.45x = 4,917,711.89 × 1,148,054.31
4. Step 4: Simplify right side
   3,278,468.45x = 5,645,800,333,522.88
5. Step 5: Solve for x
   x = 5,645,800,333,522.88/3,278,468.45
6. Step 6: Final answer
   x = 1,722,084.69