Finding the Fourth Proportional to 52,216.17, 72,056.37 and 28,342.32

Step by Step Solution

1. Step 1: Write the proportion equation
   52,216.17 : 72,056.37 = 28,342.32 : x
2. Step 2: Convert to fraction form
   52,216.17/72,056.37 = 28,342.32/x
3. Step 3: Cross multiply
   52,216.17x = 72,056.37 × 28,342.32
4. Step 4: Simplify right side
   52,216.17x = 2,042,244,696.58
5. Step 5: Solve for x
   x = 2,042,244,696.58/52,216.17
6. Step 6: Final answer
   x = 39,111.35