Finding the Fourth Proportional to 16,683,748.38, 25,016,499.57 and 13,247,561.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,683,748.38 : 25,016,499.57 = 13,247,561.10 : x
2. Step 2: Convert to fraction form
   16,683,748.38/25,016,499.57 = 13,247,561.10/x
3. Step 3: Cross multiply
   16,683,748.38x = 25,016,499.57 × 13,247,561.10
4. Step 4: Simplify right side
   16,683,748.38x = 331,407,606,561,698.75
5. Step 5: Solve for x
   x = 331,407,606,561,698.75/16,683,748.38
6. Step 6: Final answer
   x = 19,864,097.62