Finding the Fourth Proportional to 28,081.93, 42,085.62 and 14,905.93

Step by Step Solution

1. Step 1: Write the proportion equation
   28,081.93 : 42,085.62 = 14,905.93 : x
2. Step 2: Convert to fraction form
   28,081.93/42,085.62 = 14,905.93/x
3. Step 3: Cross multiply
   28,081.93x = 42,085.62 × 14,905.93
4. Step 4: Simplify right side
   28,081.93x = 627,325,305.73
5. Step 5: Solve for x
   x = 627,325,305.73/28,081.93
6. Step 6: Final answer
   x = 22,339.11