Finding the Fourth Proportional to 2,109,420.86, 2,911,005.61 and 1,142,548.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,420.86 : 2,911,005.61 = 1,142,548.16 : x
2. Step 2: Convert to fraction form
   2,109,420.86/2,911,005.61 = 1,142,548.16/x
3. Step 3: Cross multiply
   2,109,420.86x = 2,911,005.61 × 1,142,548.16
4. Step 4: Simplify right side
   2,109,420.86x = 3,325,964,086,043.78
5. Step 5: Solve for x
   x = 3,325,964,086,043.78/2,109,420.86
6. Step 6: Final answer
   x = 1,576,719.07