Finding the Fourth Proportional to 79,098.56, 109,155.66 and 42,799.88

Step by Step Solution

1. Step 1: Write the proportion equation
   79,098.56 : 109,155.66 = 42,799.88 : x
2. Step 2: Convert to fraction form
   79,098.56/109,155.66 = 42,799.88/x
3. Step 3: Cross multiply
   79,098.56x = 109,155.66 × 42,799.88
4. Step 4: Simplify right side
   79,098.56x = 4,671,849,149.32
5. Step 5: Solve for x
   x = 4,671,849,149.32/79,098.56
6. Step 6: Final answer
   x = 59,063.64