Finding the Fourth Proportional to 2,109,610.47, 2,911,276.42 and 1,142,740.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,610.47 : 2,911,276.42 = 1,142,740.76 : x
2. Step 2: Convert to fraction form
   2,109,610.47/2,911,276.42 = 1,142,740.76/x
3. Step 3: Cross multiply
   2,109,610.47x = 2,911,276.42 × 1,142,740.76
4. Step 4: Simplify right side
   2,109,610.47x = 3,326,834,214,204.50
5. Step 5: Solve for x
   x = 3,326,834,214,204.50/2,109,610.47
6. Step 6: Final answer
   x = 1,576,989.81