Finding the Fourth Proportional to 79,173.54, 109,259.64 and 42,875.37

Step by Step Solution

1. Step 1: Write the proportion equation
   79,173.54 : 109,259.64 = 42,875.37 : x
2. Step 2: Convert to fraction form
   79,173.54/109,259.64 = 42,875.37/x
3. Step 3: Cross multiply
   79,173.54x = 109,259.64 × 42,875.37
4. Step 4: Simplify right side
   79,173.54x = 4,684,547,491.07
5. Step 5: Solve for x
   x = 4,684,547,491.07/79,173.54
6. Step 6: Final answer
   x = 59,168.09