Finding the Fourth Proportional to 52,213.50, 72,054.72 and 29,857.50

Step by Step Solution

1. Step 1: Write the proportion equation
   52,213.50 : 72,054.72 = 29,857.50 : x
2. Step 2: Convert to fraction form
   52,213.50/72,054.72 = 29,857.50/x
3. Step 3: Cross multiply
   52,213.50x = 72,054.72 × 29,857.50
4. Step 4: Simplify right side
   52,213.50x = 2,151,373,802.40
5. Step 5: Solve for x
   x = 2,151,373,802.40/52,213.50
6. Step 6: Final answer
   x = 41,203.40