Finding the Fourth Proportional to 2,140,209.50, 2,953,488.39 and 1,173,319.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,140,209.50 : 2,953,488.39 = 1,173,319.05 : x
2. Step 2: Convert to fraction form
   2,140,209.50/2,953,488.39 = 1,173,319.05/x
3. Step 3: Cross multiply
   2,140,209.50x = 2,953,488.39 × 1,173,319.05
4. Step 4: Simplify right side
   2,140,209.50x = 3,465,384,191,940.83
5. Step 5: Solve for x
   x = 3,465,384,191,940.83/2,140,209.50
6. Step 6: Final answer
   x = 1,619,179.90