Finding the Fourth Proportional to 2,191,182.16, 3,023,774.88 and 1,224,320.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191,182.16 : 3,023,774.88 = 1,224,320.40 : x
2. Step 2: Convert to fraction form
   2,191,182.16/3,023,774.88 = 1,224,320.40/x
3. Step 3: Cross multiply
   2,191,182.16x = 3,023,774.88 × 1,224,320.40
4. Step 4: Simplify right side
   2,191,182.16x = 3,702,069,270,591.55
5. Step 5: Solve for x
   x = 3,702,069,270,591.55/2,191,182.16
6. Step 6: Final answer
   x = 1,689,530.58