Finding the Fourth Proportional to 2,138,514.96, 2,951,150.58 and 1,171,681.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,138,514.96 : 2,951,150.58 = 1,171,681.86 : x
2. Step 2: Convert to fraction form
   2,138,514.96/2,951,150.58 = 1,171,681.86/x
3. Step 3: Cross multiply
   2,138,514.96x = 2,951,150.58 × 1,171,681.86
4. Step 4: Simplify right side
   2,138,514.96x = 3,457,809,600,714.48
5. Step 5: Solve for x
   x = 3,457,809,600,714.48/2,138,514.96
6. Step 6: Final answer
   x = 1,616,920.93