Finding the Fourth Proportional to 91,844.83, 137,754.28 and 28,650.25

Step by Step Solution

1. Step 1: Write the proportion equation
   91,844.83 : 137,754.28 = 28,650.25 : x
2. Step 2: Convert to fraction form
   91,844.83/137,754.28 = 28,650.25/x
3. Step 3: Cross multiply
   91,844.83x = 137,754.28 × 28,650.25
4. Step 4: Simplify right side
   91,844.83x = 3,946,694,560.57
5. Step 5: Solve for x
   x = 3,946,694,560.57/91,844.83
6. Step 6: Final answer
   x = 42,971.33