Finding the Fourth Proportional to 79,971.50, 110,396.59 and 52,763.60

Step by Step Solution

1. Step 1: Write the proportion equation
   79,971.50 : 110,396.59 = 52,763.60 : x
2. Step 2: Convert to fraction form
   79,971.50/110,396.59 = 52,763.60/x
3. Step 3: Cross multiply
   79,971.50x = 110,396.59 × 52,763.60
4. Step 4: Simplify right side
   79,971.50x = 5,824,921,847.28
5. Step 5: Solve for x
   x = 5,824,921,847.28/79,971.50
6. Step 6: Final answer
   x = 72,837.47