Finding the Fourth Proportional to 2,535,827.60, 3,499,434.72 and 1,389,904.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,535,827.60 : 3,499,434.72 = 1,389,904.40 : x
2. Step 2: Convert to fraction form
   2,535,827.60/3,499,434.72 = 1,389,904.40/x
3. Step 3: Cross multiply
   2,535,827.60x = 3,499,434.72 × 1,389,904.40
4. Step 4: Simplify right side
   2,535,827.60x = 4,863,879,714,840.77
5. Step 5: Solve for x
   x = 4,863,879,714,840.77/2,535,827.60
6. Step 6: Final answer
   x = 1,918,064.03