Finding the Fourth Proportional to 31,105,618.80, 42,928,167.42 and 17,169,704.88

Step by Step Solution

1. Step 1: Write the proportion equation
   31,105,618.80 : 42,928,167.42 = 17,169,704.88 : x
2. Step 2: Convert to fraction form
   31,105,618.80/42,928,167.42 = 17,169,704.88/x
3. Step 3: Cross multiply
   31,105,618.80x = 42,928,167.42 × 17,169,704.88
4. Step 4: Simplify right side
   31,105,618.80x = 737,063,965,640,631
5. Step 5: Solve for x
   x = 737,063,965,640,631/31,105,618.80
6. Step 6: Final answer
   x = 23,695,524.93