Finding the Fourth Proportional to 11,107,402.16, 16,661,469.80 and 3,820,788.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,107,402.16 : 16,661,469.80 = 3,820,788.72 : x
2. Step 2: Convert to fraction form
   11,107,402.16/16,661,469.80 = 3,820,788.72/x
3. Step 3: Cross multiply
   11,107,402.16x = 16,661,469.80 × 3,820,788.72
4. Step 4: Simplify right side
   11,107,402.16x = 63,659,955,870,460.66
5. Step 5: Solve for x
   x = 63,659,955,870,460.66/11,107,402.16
6. Step 6: Final answer
   x = 5,731,309.17