Finding the Fourth Proportional to 2,139,478.80, 2,952,044.40 and 1,267,929.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139,478.80 : 2,952,044.40 = 1,267,929.33 : x
2. Step 2: Convert to fraction form
   2,139,478.80/2,952,044.40 = 1,267,929.33/x
3. Step 3: Cross multiply
   2,139,478.80x = 2,952,044.40 × 1,267,929.33
4. Step 4: Simplify right side
   2,139,478.80x = 3,742,983,678,222.25
5. Step 5: Solve for x
   x = 3,742,983,678,222.25/2,139,478.80
6. Step 6: Final answer
   x = 1,749,483.88