Finding the Fourth Proportional to 11,003,143.30, 16,488,968.55 and 8,101,869.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,003,143.30 : 16,488,968.55 = 8,101,869.10 : x
2. Step 2: Convert to fraction form
   11,003,143.30/16,488,968.55 = 8,101,869.10/x
3. Step 3: Cross multiply
   11,003,143.30x = 16,488,968.55 × 8,101,869.10
4. Step 4: Simplify right side
   11,003,143.30x = 133,591,464,786,116.81
5. Step 5: Solve for x
   x = 133,591,464,786,116.81/11,003,143.30
6. Step 6: Final answer
   x = 12,141,209.21