Finding the Fourth Proportional to 13,180,860.89, 19,774,447.98 and 5,500,233.17

Step by Step Solution

1. Step 1: Write the proportion equation
   13,180,860.89 : 19,774,447.98 = 5,500,233.17 : x
2. Step 2: Convert to fraction form
   13,180,860.89/19,774,447.98 = 5,500,233.17/x
3. Step 3: Cross multiply
   13,180,860.89x = 19,774,447.98 × 5,500,233.17
4. Step 4: Simplify right side
   13,180,860.89x = 108,764,074,599,163.27
5. Step 5: Solve for x
   x = 108,764,074,599,163.27/13,180,860.89
6. Step 6: Final answer
   x = 8,251,666.99