Finding the Fourth Proportional to 52,843.23, 72,922.82 and 28,970.07

Step by Step Solution

1. Step 1: Write the proportion equation
   52,843.23 : 72,922.82 = 28,970.07 : x
2. Step 2: Convert to fraction form
   52,843.23/72,922.82 = 28,970.07/x
3. Step 3: Cross multiply
   52,843.23x = 72,922.82 × 28,970.07
4. Step 4: Simplify right side
   52,843.23x = 2,112,579,272.42
5. Step 5: Solve for x
   x = 2,112,579,272.42/52,843.23
6. Step 6: Final answer
   x = 39,978.24