Finding the Fourth Proportional to 52,736.79, 79,105.50 and 21,572.04

Step by Step Solution

1. Step 1: Write the proportion equation
   52,736.79 : 79,105.50 = 21,572.04 : x
2. Step 2: Convert to fraction form
   52,736.79/79,105.50 = 21,572.04/x
3. Step 3: Cross multiply
   52,736.79x = 79,105.50 × 21,572.04
4. Step 4: Simplify right side
   52,736.79x = 1,706,467,010.22
5. Step 5: Solve for x
   x = 1,706,467,010.22/52,736.79
6. Step 6: Final answer
   x = 32,358.19