Finding the Fourth Proportional to 1,759,788.91, 2,427,254.17 and 1,615,061.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,759,788.91 : 2,427,254.17 = 1,615,061.21 : x
2. Step 2: Convert to fraction form
   1,759,788.91/2,427,254.17 = 1,615,061.21/x
3. Step 3: Cross multiply
   1,759,788.91x = 2,427,254.17 × 1,615,061.21
4. Step 4: Simplify right side
   1,759,788.91x = 3,920,164,040,603.82
5. Step 5: Solve for x
   x = 3,920,164,040,603.82/1,759,788.91
6. Step 6: Final answer
   x = 2,227,633.11