Finding the Fourth Proportional to 2,129,499.88, 2,940,036.26 and 1,355,567.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,129,499.88 : 2,940,036.26 = 1,355,567.56 : x
2. Step 2: Convert to fraction form
   2,129,499.88/2,940,036.26 = 1,355,567.56/x
3. Step 3: Cross multiply
   2,129,499.88x = 2,940,036.26 × 1,355,567.56
4. Step 4: Simplify right side
   2,129,499.88x = 3,985,417,779,279.73
5. Step 5: Solve for x
   x = 3,985,417,779,279.73/2,129,499.88
6. Step 6: Final answer
   x = 1,871,527.59