Finding the Fourth Proportional to 17,859,433.50, 26,780,484.24 and 10,475,498.21

Step by Step Solution

1. Step 1: Write the proportion equation
   17,859,433.50 : 26,780,484.24 = 10,475,498.21 : x
2. Step 2: Convert to fraction form
   17,859,433.50/26,780,484.24 = 10,475,498.21/x
3. Step 3: Cross multiply
   17,859,433.50x = 26,780,484.24 × 10,475,498.21
4. Step 4: Simplify right side
   17,859,433.50x = 280,538,914,585,150.78
5. Step 5: Solve for x
   x = 280,538,914,585,150.78/17,859,433.50
6. Step 6: Final answer
   x = 15,708,164.24