Finding the Fourth Proportional to 7,193,805.57, 9,927,521.42 and 3,930,620.00

Step by Step Solution

1. Step 1: Write the proportion equation
   7,193,805.57 : 9,927,521.42 = 3,930,620.00 : x
2. Step 2: Convert to fraction form
   7,193,805.57/9,927,521.42 = 3,930,620.00/x
3. Step 3: Cross multiply
   7,193,805.57x = 9,927,521.42 × 3,930,620.00
4. Step 4: Simplify right side
   7,193,805.57x = 39,021,314,174,589.69
5. Step 5: Solve for x
   x = 39,021,314,174,589.69/7,193,805.57
6. Step 6: Final answer
   x = 5,424,293.69