Finding the Fourth Proportional to 52,406.37, 72,322.10 and 28,534.36

Step by Step Solution

1. Step 1: Write the proportion equation
   52,406.37 : 72,322.10 = 28,534.36 : x
2. Step 2: Convert to fraction form
   52,406.37/72,322.10 = 28,534.36/x
3. Step 3: Cross multiply
   52,406.37x = 72,322.10 × 28,534.36
4. Step 4: Simplify right side
   52,406.37x = 2,063,664,333.07
5. Step 5: Solve for x
   x = 2,063,664,333.07/52,406.37
6. Step 6: Final answer
   x = 39,378.12