Finding the Fourth Proportional to 1,389,514.24, 1,918,438.86 and 1,068,900.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,389,514.24 : 1,918,438.86 = 1,068,900.04 : x
2. Step 2: Convert to fraction form
   1,389,514.24/1,918,438.86 = 1,068,900.04/x
3. Step 3: Cross multiply
   1,389,514.24x = 1,918,438.86 × 1,068,900.04
4. Step 4: Simplify right side
   1,389,514.24x = 2,050,619,374,191.55
5. Step 5: Solve for x
   x = 2,050,619,374,191.55/1,389,514.24
6. Step 6: Final answer
   x = 1,475,781.47