Finding the Fourth Proportional to 28,377.09, 42,591.89 and 14,347.01

Step by Step Solution

1. Step 1: Write the proportion equation
   28,377.09 : 42,591.89 = 14,347.01 : x
2. Step 2: Convert to fraction form
   28,377.09/42,591.89 = 14,347.01/x
3. Step 3: Cross multiply
   28,377.09x = 42,591.89 × 14,347.01
4. Step 4: Simplify right side
   28,377.09x = 611,066,414.10
5. Step 5: Solve for x
   x = 611,066,414.10/28,377.09
6. Step 6: Final answer
   x = 21,533.79