Finding the Fourth Proportional to 2,528,830.64, 3,490,056.78 and 1,549,419.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,528,830.64 : 3,490,056.78 = 1,549,419.68 : x
2. Step 2: Convert to fraction form
   2,528,830.64/3,490,056.78 = 1,549,419.68/x
3. Step 3: Cross multiply
   2,528,830.64x = 3,490,056.78 × 1,549,419.68
4. Step 4: Simplify right side
   2,528,830.64x = 5,407,562,659,249.43
5. Step 5: Solve for x
   x = 5,407,562,659,249.43/2,528,830.64
6. Step 6: Final answer
   x = 2,138,364.89