Finding the Fourth Proportional to 87,900.48, 131,858.82 and 28,736.46

Step by Step Solution

1. Step 1: Write the proportion equation
   87,900.48 : 131,858.82 = 28,736.46 : x
2. Step 2: Convert to fraction form
   87,900.48/131,858.82 = 28,736.46/x
3. Step 3: Cross multiply
   87,900.48x = 131,858.82 × 28,736.46
4. Step 4: Simplify right side
   87,900.48x = 3,789,155,706.58
5. Step 5: Solve for x
   x = 3,789,155,706.58/87,900.48
6. Step 6: Final answer
   x = 43,107.34