Finding the Fourth Proportional to 39,496,079.97, 59,222,818.17 and 17,918,908.74

Step by Step Solution

1. Step 1: Write the proportion equation
   39,496,079.97 : 59,222,818.17 = 17,918,908.74 : x
2. Step 2: Convert to fraction form
   39,496,079.97/59,222,818.17 = 17,918,908.74/x
3. Step 3: Cross multiply
   39,496,079.97x = 59,222,818.17 × 17,918,908.74
4. Step 4: Simplify right side
   39,496,079.97x = 1,061,208,274,113,843.75
5. Step 5: Solve for x
   x = 1,061,208,274,113,843.75/39,496,079.97
6. Step 6: Final answer
   x = 26,868,698.74