Finding the Fourth Proportional to 79,298, 109,435.56 and 45,774.80

Step by Step Solution

1. Step 1: Write the proportion equation
   79,298 : 109,435.56 = 45,774.80 : x
2. Step 2: Convert to fraction form
   79,298/109,435.56 = 45,774.80/x
3. Step 3: Cross multiply
   79,298x = 109,435.56 × 45,774.80
4. Step 4: Simplify right side
   79,298x = 5,009,390,871.89
5. Step 5: Solve for x
   x = 5,009,390,871.89/79,298
6. Step 6: Final answer
   x = 63,171.72