Finding the Fourth Proportional to 52,406.67, 72,320.73 and 28,533.30

Step by Step Solution

1. Step 1: Write the proportion equation
   52,406.67 : 72,320.73 = 28,533.30 : x
2. Step 2: Convert to fraction form
   52,406.67/72,320.73 = 28,533.30/x
3. Step 3: Cross multiply
   52,406.67x = 72,320.73 × 28,533.30
4. Step 4: Simplify right side
   52,406.67x = 2,063,549,085.31
5. Step 5: Solve for x
   x = 2,063,549,085.31/52,406.67
6. Step 6: Final answer
   x = 39,375.70