Finding the Fourth Proportional to 16,917,422.18, 23,358,175.17 and 10,399,790.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,917,422.18 : 23,358,175.17 = 10,399,790.30 : x
2. Step 2: Convert to fraction form
   16,917,422.18/23,358,175.17 = 10,399,790.30/x
3. Step 3: Cross multiply
   16,917,422.18x = 23,358,175.17 × 10,399,790.30
4. Step 4: Simplify right side
   16,917,422.18x = 242,920,123,558,666.88
5. Step 5: Solve for x
   x = 242,920,123,558,666.88/16,917,422.18
6. Step 6: Final answer
   x = 14,359,168.97