Finding the Fourth Proportional to 3,556,692.72, 5,336,038.01 and 1,428,271.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,556,692.72 : 5,336,038.01 = 1,428,271.52 : x
2. Step 2: Convert to fraction form
   3,556,692.72/5,336,038.01 = 1,428,271.52/x
3. Step 3: Cross multiply
   3,556,692.72x = 5,336,038.01 × 1,428,271.52
4. Step 4: Simplify right side
   3,556,692.72x = 7,621,311,092,640.28
5. Step 5: Solve for x
   x = 7,621,311,092,640.28/3,556,692.72
6. Step 6: Final answer
   x = 2,142,808.42