Finding the Fourth Proportional to 42,738.84, 63,947.88 and 35,346.78

Step by Step Solution

1. Step 1: Write the proportion equation
   42,738.84 : 63,947.88 = 35,346.78 : x
2. Step 2: Convert to fraction form
   42,738.84/63,947.88 = 35,346.78/x
3. Step 3: Cross multiply
   42,738.84x = 63,947.88 × 35,346.78
4. Step 4: Simplify right side
   42,738.84x = 2,260,351,645.83
5. Step 5: Solve for x
   x = 2,260,351,645.83/42,738.84
6. Step 6: Final answer
   x = 52,887.53