Finding the Fourth Proportional to 87,435.94, 120,657.33 and 49,709.38

Step by Step Solution

1. Step 1: Write the proportion equation
   87,435.94 : 120,657.33 = 49,709.38 : x
2. Step 2: Convert to fraction form
   87,435.94/120,657.33 = 49,709.38/x
3. Step 3: Cross multiply
   87,435.94x = 120,657.33 × 49,709.38
4. Step 4: Simplify right side
   87,435.94x = 5,997,801,066.76
5. Step 5: Solve for x
   x = 5,997,801,066.76/87,435.94
6. Step 6: Final answer
   x = 68,596.52