Finding the Fourth Proportional to 2,168,981.52, 2,991,947.88 and 1,352,793.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,168,981.52 : 2,991,947.88 = 1,352,793.12 : x
2. Step 2: Convert to fraction form
   2,168,981.52/2,991,947.88 = 1,352,793.12/x
3. Step 3: Cross multiply
   2,168,981.52x = 2,991,947.88 × 1,352,793.12
4. Step 4: Simplify right side
   2,168,981.52x = 4,047,486,507,462.59
5. Step 5: Solve for x
   x = 4,047,486,507,462.59/2,168,981.52
6. Step 6: Final answer
   x = 1,866,076.99