Finding the Fourth Proportional to 28,300.87, 42,445.86 and 26,895.97

Step by Step Solution

1. Step 1: Write the proportion equation
   28,300.87 : 42,445.86 = 26,895.97 : x
2. Step 2: Convert to fraction form
   28,300.87/42,445.86 = 26,895.97/x
3. Step 3: Cross multiply
   28,300.87x = 42,445.86 × 26,895.97
4. Step 4: Simplify right side
   28,300.87x = 1,141,622,577.18
5. Step 5: Solve for x
   x = 1,141,622,577.18/28,300.87
6. Step 6: Final answer
   x = 40,338.78