Finding the Fourth Proportional to 79,150.83, 109,228.32 and 42,852.66

Step by Step Solution

1. Step 1: Write the proportion equation
   79,150.83 : 109,228.32 = 42,852.66 : x
2. Step 2: Convert to fraction form
   79,150.83/109,228.32 = 42,852.66/x
3. Step 3: Cross multiply
   79,150.83x = 109,228.32 × 42,852.66
4. Step 4: Simplify right side
   79,150.83x = 4,680,724,059.33
5. Step 5: Solve for x
   x = 4,680,724,059.33/79,150.83
6. Step 6: Final answer
   x = 59,136.77