Finding the Fourth Proportional to 79,152.84, 109,231.08 and 42,854.66

Step by Step Solution

1. Step 1: Write the proportion equation
   79,152.84 : 109,231.08 = 42,854.66 : x
2. Step 2: Convert to fraction form
   79,152.84/109,231.08 = 42,854.66/x
3. Step 3: Cross multiply
   79,152.84x = 109,231.08 × 42,854.66
4. Step 4: Simplify right side
   79,152.84x = 4,681,060,794.83
5. Step 5: Solve for x
   x = 4,681,060,794.83/79,152.84
6. Step 6: Final answer
   x = 59,139.52