Finding the Fourth Proportional to 87,730.07, 121,068.72 and 49,491.39

Step by Step Solution

1. Step 1: Write the proportion equation
   87,730.07 : 121,068.72 = 49,491.39 : x
2. Step 2: Convert to fraction form
   87,730.07/121,068.72 = 49,491.39/x
3. Step 3: Cross multiply
   87,730.07x = 121,068.72 × 49,491.39
4. Step 4: Simplify right side
   87,730.07x = 5,991,859,238.32
5. Step 5: Solve for x
   x = 5,991,859,238.32/87,730.07
6. Step 6: Final answer
   x = 68,298.81