Finding the Fourth Proportional to 52,843.35, 72,923.00 and 28,970.22

Step by Step Solution

1. Step 1: Write the proportion equation
   52,843.35 : 72,923.00 = 28,970.22 : x
2. Step 2: Convert to fraction form
   52,843.35/72,923.00 = 28,970.22/x
3. Step 3: Cross multiply
   52,843.35x = 72,923.00 × 28,970.22
4. Step 4: Simplify right side
   52,843.35x = 2,112,595,208.21
5. Step 5: Solve for x
   x = 2,112,595,208.21/52,843.35
6. Step 6: Final answer
   x = 39,978.45