Finding the Fourth Proportional to 87,490.50, 120,736.89 and 47,746.50

Step by Step Solution

1. Step 1: Write the proportion equation
   87,490.50 : 120,736.89 = 47,746.50 : x
2. Step 2: Convert to fraction form
   87,490.50/120,736.89 = 47,746.50/x
3. Step 3: Cross multiply
   87,490.50x = 120,736.89 × 47,746.50
4. Step 4: Simplify right side
   87,490.50x = 5,764,763,918.39
5. Step 5: Solve for x
   x = 5,764,763,918.39/87,490.50
6. Step 6: Final answer
   x = 65,890.17