Finding the Fourth Proportional to 105,679.70, 145,848.42 and 60,364.46

Step by Step Solution

1. Step 1: Write the proportion equation
   105,679.70 : 145,848.42 = 60,364.46 : x
2. Step 2: Convert to fraction form
   105,679.70/145,848.42 = 60,364.46/x
3. Step 3: Cross multiply
   105,679.70x = 145,848.42 × 60,364.46
4. Step 4: Simplify right side
   105,679.70x = 8,804,061,115.15
5. Step 5: Solve for x
   x = 8,804,061,115.15/105,679.70
6. Step 6: Final answer
   x = 83,308.91