Finding the Fourth Proportional to 79,296, 109,432.80 and 45,772.80

Step by Step Solution

1. Step 1: Write the proportion equation
   79,296 : 109,432.80 = 45,772.80 : x
2. Step 2: Convert to fraction form
   79,296/109,432.80 = 45,772.80/x
3. Step 3: Cross multiply
   79,296x = 109,432.80 × 45,772.80
4. Step 4: Simplify right side
   79,296x = 5,009,045,667.84
5. Step 5: Solve for x
   x = 5,009,045,667.84/79,296
6. Step 6: Final answer
   x = 63,168.96