Finding the Fourth Proportional to 111,591.84, 167,393.52 and 28,486.56

Step by Step Solution

1. Step 1: Write the proportion equation
   111,591.84 : 167,393.52 = 28,486.56 : x
2. Step 2: Convert to fraction form
   111,591.84/167,393.52 = 28,486.56/x
3. Step 3: Cross multiply
   111,591.84x = 167,393.52 × 28,486.56
4. Step 4: Simplify right side
   111,591.84x = 4,768,465,551.09
5. Step 5: Solve for x
   x = 4,768,465,551.09/111,591.84
6. Step 6: Final answer
   x = 42,731.31