Finding the Fourth Proportional to 1,407,714.30, 1,943,399.46 and 1,101,139.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,407,714.30 : 1,943,399.46 = 1,101,139.28 : x
2. Step 2: Convert to fraction form
   1,407,714.30/1,943,399.46 = 1,101,139.28/x
3. Step 3: Cross multiply
   1,407,714.30x = 1,943,399.46 × 1,101,139.28
4. Step 4: Simplify right side
   1,407,714.30x = 2,139,953,482,136.79
5. Step 5: Solve for x
   x = 2,139,953,482,136.79/1,407,714.30
6. Step 6: Final answer
   x = 1,520,161.78