Finding the Fourth Proportional to 2,531,680.86, 3,493,723.82 and 1,370,128.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,531,680.86 : 3,493,723.82 = 1,370,128.15 : x
2. Step 2: Convert to fraction form
   2,531,680.86/3,493,723.82 = 1,370,128.15/x
3. Step 3: Cross multiply
   2,531,680.86x = 3,493,723.82 × 1,370,128.15
4. Step 4: Simplify right side
   2,531,680.86x = 4,786,849,354,107.53
5. Step 5: Solve for x
   x = 4,786,849,354,107.53/2,531,680.86
6. Step 6: Final answer
   x = 1,890,779.14