Finding the Fourth Proportional to 2,558,741.69, 3,531,080.64 and 1,397,196.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,558,741.69 : 3,531,080.64 = 1,397,196.02 : x
2. Step 2: Convert to fraction form
   2,558,741.69/3,531,080.64 = 1,397,196.02/x
3. Step 3: Cross multiply
   2,558,741.69x = 3,531,080.64 × 1,397,196.02
4. Step 4: Simplify right side
   2,558,741.69x = 4,933,611,816,507.05
5. Step 5: Solve for x
   x = 4,933,611,816,507.05/2,558,741.69
6. Step 6: Final answer
   x = 1,928,139.85