Finding the Fourth Proportional to 79,150.84, 109,228.34 and 42,852.66

Step by Step Solution

1. Step 1: Write the proportion equation
   79,150.84 : 109,228.34 = 42,852.66 : x
2. Step 2: Convert to fraction form
   79,150.84/109,228.34 = 42,852.66/x
3. Step 3: Cross multiply
   79,150.84x = 109,228.34 × 42,852.66
4. Step 4: Simplify right side
   79,150.84x = 4,680,724,916.38
5. Step 5: Solve for x
   x = 4,680,724,916.38/79,150.84
6. Step 6: Final answer
   x = 59,136.77