Finding the Fourth Proportional to 16,949,116.10, 25,423,674.15 and 15,704,956.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,949,116.10 : 25,423,674.15 = 15,704,956.10 : x
2. Step 2: Convert to fraction form
   16,949,116.10/25,423,674.15 = 15,704,956.10/x
3. Step 3: Cross multiply
   16,949,116.10x = 25,423,674.15 × 15,704,956.10
4. Step 4: Simplify right side
   16,949,116.10x = 399,277,686,426,454.81
5. Step 5: Solve for x
   x = 399,277,686,426,454.81/16,949,116.10
6. Step 6: Final answer
   x = 23,557,434.15