Finding the Fourth Proportional to 2,253,147.86, 3,109,468.56 and 1,286,588.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,253,147.86 : 3,109,468.56 = 1,286,588.64 : x
2. Step 2: Convert to fraction form
   2,253,147.86/3,109,468.56 = 1,286,588.64/x
3. Step 3: Cross multiply
   2,253,147.86x = 3,109,468.56 × 1,286,588.64
4. Step 4: Simplify right side
   2,253,147.86x = 4,000,606,925,733.16
5. Step 5: Solve for x
   x = 4,000,606,925,733.16/2,253,147.86
6. Step 6: Final answer
   x = 1,775,563.42