Finding the Fourth Proportional to 16,785,217,451.72, 23,174,053,826.42 and 10,685,011,969.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,785,217,451.72 : 23,174,053,826.42 = 10,685,011,969.24 : x
2. Step 2: Convert to fraction form
   16,785,217,451.72/23,174,053,826.42 = 10,685,011,969.24/x
3. Step 3: Cross multiply
   16,785,217,451.72x = 23,174,053,826.42 × 10,685,011,969.24
4. Step 4: Simplify right side
   16,785,217,451.72x = 247,615,042,511,109,685,248
5. Step 5: Solve for x
   x = 247,615,042,511,109,685,248/16,785,217,451.72
6. Step 6: Final answer
   x = 14,751,971,085.47