Finding the Fourth Proportional to 105,947.84, 146,097.78 and 79,047.74

Step by Step Solution

1. Step 1: Write the proportion equation
   105,947.84 : 146,097.78 = 79,047.74 : x
2. Step 2: Convert to fraction form
   105,947.84/146,097.78 = 79,047.74/x
3. Step 3: Cross multiply
   105,947.84x = 146,097.78 × 79,047.74
4. Step 4: Simplify right side
   105,947.84x = 11,548,698,597.53
5. Step 5: Solve for x
   x = 11,548,698,597.53/105,947.84
6. Step 6: Final answer
   x = 109,003.63