Finding the Fourth Proportional to 42,108,875.97, 63,169,339.22 and 12,965,180.84

Step by Step Solution

1. Step 1: Write the proportion equation
   42,108,875.97 : 63,169,339.22 = 12,965,180.84 : x
2. Step 2: Convert to fraction form
   42,108,875.97/63,169,339.22 = 12,965,180.84/x
3. Step 3: Cross multiply
   42,108,875.97x = 63,169,339.22 × 12,965,180.84
4. Step 4: Simplify right side
   42,108,875.97x = 819,001,906,465,778.62
5. Step 5: Solve for x
   x = 819,001,906,465,778.62/42,108,875.97
6. Step 6: Final answer
   x = 19,449,626.42