Finding the Fourth Proportional to 2,109,458.69, 2,911,053.10 and 1,142,588.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,458.69 : 2,911,053.10 = 1,142,588.99 : x
2. Step 2: Convert to fraction form
   2,109,458.69/2,911,053.10 = 1,142,588.99/x
3. Step 3: Cross multiply
   2,109,458.69x = 2,911,053.10 × 1,142,588.99
4. Step 4: Simplify right side
   2,109,458.69x = 3,326,137,201,811.28
5. Step 5: Solve for x
   x = 3,326,137,201,811.28/2,109,458.69
6. Step 6: Final answer
   x = 1,576,772.85