Finding the Fourth Proportional to 3,516,499.62, 5,271,162.75 and 1,385,720.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,516,499.62 : 5,271,162.75 = 1,385,720.10 : x
2. Step 2: Convert to fraction form
   3,516,499.62/5,271,162.75 = 1,385,720.10/x
3. Step 3: Cross multiply
   3,516,499.62x = 5,271,162.75 × 1,385,720.10
4. Step 4: Simplify right side
   3,516,499.62x = 7,304,356,173,046.28
5. Step 5: Solve for x
   x = 7,304,356,173,046.28/3,516,499.62
6. Step 6: Final answer
   x = 2,077,166.77