Finding the Fourth Proportional to 13,044,570.05, 18,003,167.41 and 7,887,968.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,044,570.05 : 18,003,167.41 = 7,887,968.50 : x
2. Step 2: Convert to fraction form
   13,044,570.05/18,003,167.41 = 7,887,968.50/x
3. Step 3: Cross multiply
   13,044,570.05x = 18,003,167.41 × 7,887,968.50
4. Step 4: Simplify right side
   13,044,570.05x = 142,008,417,340,290.75
5. Step 5: Solve for x
   x = 142,008,417,340,290.75/13,044,570.05
6. Step 6: Final answer
   x = 10,886,400.77