Finding the Fourth Proportional to 35,665,885.17, 53,481,965.18 and 13,816,498.05

Step by Step Solution

1. Step 1: Write the proportion equation
   35,665,885.17 : 53,481,965.18 = 13,816,498.05 : x
2. Step 2: Convert to fraction form
   35,665,885.17/53,481,965.18 = 13,816,498.05/x
3. Step 3: Cross multiply
   35,665,885.17x = 53,481,965.18 × 13,816,498.05
4. Step 4: Simplify right side
   35,665,885.17x = 738,933,467,550,555.38
5. Step 5: Solve for x
   x = 738,933,467,550,555.38/35,665,885.17
6. Step 6: Final answer
   x = 20,718,214.73