Finding the Fourth Proportional to 2,918,338.52, 4,384,150.81 and 2,111,212.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,918,338.52 : 4,384,150.81 = 2,111,212.50 : x
2. Step 2: Convert to fraction form
   2,918,338.52/4,384,150.81 = 2,111,212.50/x
3. Step 3: Cross multiply
   2,918,338.52x = 4,384,150.81 × 2,111,212.50
4. Step 4: Simplify right side
   2,918,338.52x = 9,255,873,970,036.37
5. Step 5: Solve for x
   x = 9,255,873,970,036.37/2,918,338.52
6. Step 6: Final answer
   x = 3,171,624.51