Finding the Fourth Proportional to 61,360.86, 91,906.38 and 50,710.18

Step by Step Solution

1. Step 1: Write the proportion equation
   61,360.86 : 91,906.38 = 50,710.18 : x
2. Step 2: Convert to fraction form
   61,360.86/91,906.38 = 50,710.18/x
3. Step 3: Cross multiply
   61,360.86x = 91,906.38 × 50,710.18
4. Step 4: Simplify right side
   61,360.86x = 4,660,589,072.95
5. Step 5: Solve for x
   x = 4,660,589,072.95/61,360.86
6. Step 6: Final answer
   x = 75,953.78