Finding the Fourth Proportional to 2,191,271.82, 3,023,970.30 and 1,224,442.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191,271.82 : 3,023,970.30 = 1,224,442.86 : x
2. Step 2: Convert to fraction form
   2,191,271.82/3,023,970.30 = 1,224,442.86/x
3. Step 3: Cross multiply
   2,191,271.82x = 3,023,970.30 × 1,224,442.86
4. Step 4: Simplify right side
   2,191,271.82x = 3,702,678,842,687.06
5. Step 5: Solve for x
   x = 3,702,678,842,687.06/2,191,271.82
6. Step 6: Final answer
   x = 1,689,739.63