Finding the Fourth Proportional to 9,648,882.55, 13,315,892.26 and 5,781,320.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,648,882.55 : 13,315,892.26 = 5,781,320.67 : x
2. Step 2: Convert to fraction form
   9,648,882.55/13,315,892.26 = 5,781,320.67/x
3. Step 3: Cross multiply
   9,648,882.55x = 13,315,892.26 × 5,781,320.67
4. Step 4: Simplify right side
   9,648,882.55x = 76,983,443,147,777.72
5. Step 5: Solve for x
   x = 76,983,443,147,777.72/9,648,882.55
6. Step 6: Final answer
   x = 7,978,482.77