Finding the Fourth Proportional to 5,666,896.20, 7,820,499.42 and 3,219,462.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,666,896.20 : 7,820,499.42 = 3,219,462.72 : x
2. Step 2: Convert to fraction form
   5,666,896.20/7,820,499.42 = 3,219,462.72/x
3. Step 3: Cross multiply
   5,666,896.20x = 7,820,499.42 × 3,219,462.72
4. Step 4: Simplify right side
   5,666,896.20x = 25,177,806,334,471.62
5. Step 5: Solve for x
   x = 25,177,806,334,471.62/5,666,896.20
6. Step 6: Final answer
   x = 4,442,962.33