Finding the Fourth Proportional to 28,060.77, 42,109.38 and 14,922.37

Step by Step Solution

1. Step 1: Write the proportion equation
   28,060.77 : 42,109.38 = 14,922.37 : x
2. Step 2: Convert to fraction form
   28,060.77/42,109.38 = 14,922.37/x
3. Step 3: Cross multiply
   28,060.77x = 42,109.38 × 14,922.37
4. Step 4: Simplify right side
   28,060.77x = 628,371,748.83
5. Step 5: Solve for x
   x = 628,371,748.83/28,060.77
6. Step 6: Final answer
   x = 22,393.25