Finding the Fourth Proportional to 79,485.48, 109,677.06 and 45,945

Step by Step Solution

1. Step 1: Write the proportion equation
   79,485.48 : 109,677.06 = 45,945 : x
2. Step 2: Convert to fraction form
   79,485.48/109,677.06 = 45,945/x
3. Step 3: Cross multiply
   79,485.48x = 109,677.06 × 45,945
4. Step 4: Simplify right side
   79,485.48x = 5,039,112,521.70
5. Step 5: Solve for x
   x = 5,039,112,521.70/79,485.48
6. Step 6: Final answer
   x = 63,396.64