Finding the Fourth Proportional to 52,216.68, 72,059.04 and 28,343.34

Step by Step Solution

1. Step 1: Write the proportion equation
   52,216.68 : 72,059.04 = 28,343.34 : x
2. Step 2: Convert to fraction form
   52,216.68/72,059.04 = 28,343.34/x
3. Step 3: Cross multiply
   52,216.68x = 72,059.04 × 28,343.34
4. Step 4: Simplify right side
   52,216.68x = 2,042,393,870.79
5. Step 5: Solve for x
   x = 2,042,393,870.79/52,216.68
6. Step 6: Final answer
   x = 39,113.82