Finding the Fourth Proportional to 52,300.51, 72,172.37 and 29,638.18

Step by Step Solution

1. Step 1: Write the proportion equation
   52,300.51 : 72,172.37 = 29,638.18 : x
2. Step 2: Convert to fraction form
   52,300.51/72,172.37 = 29,638.18/x
3. Step 3: Cross multiply
   52,300.51x = 72,172.37 × 29,638.18
4. Step 4: Simplify right side
   52,300.51x = 2,139,057,487.70
5. Step 5: Solve for x
   x = 2,139,057,487.70/52,300.51
6. Step 6: Final answer
   x = 40,899.36