Finding the Fourth Proportional to 2,191,122.72, 3,023,728.56 and 1,224,419.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191,122.72 : 3,023,728.56 = 1,224,419.52 : x
2. Step 2: Convert to fraction form
   2,191,122.72/3,023,728.56 = 1,224,419.52/x
3. Step 3: Cross multiply
   2,191,122.72x = 3,023,728.56 × 1,224,419.52
4. Step 4: Simplify right side
   2,191,122.72x = 3,702,312,272,045.49
5. Step 5: Solve for x
   x = 3,702,312,272,045.49/2,191,122.72
6. Step 6: Final answer
   x = 1,689,687.32