Finding the Fourth Proportional to 2,288,242.91, 3,437,723.89 and 2,158,978.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288,242.91 : 3,437,723.89 = 2,158,978.91 : x
2. Step 2: Convert to fraction form
   2,288,242.91/3,437,723.89 = 2,158,978.91/x
3. Step 3: Cross multiply
   2,288,242.91x = 3,437,723.89 × 2,158,978.91
4. Step 4: Simplify right side
   2,288,242.91x = 7,421,973,376,913.16
5. Step 5: Solve for x
   x = 7,421,973,376,913.16/2,288,242.91
6. Step 6: Final answer
   x = 3,243,525.13