Finding the Fourth Proportional to 10,978.88, 16,465.85 and 5,050.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,978.88 : 16,465.85 = 5,050.07 : x
2. Step 2: Convert to fraction form
   10,978.88/16,465.85 = 5,050.07/x
3. Step 3: Cross multiply
   10,978.88x = 16,465.85 × 5,050.07
4. Step 4: Simplify right side
   10,978.88x = 83,153,667.29
5. Step 5: Solve for x
   x = 83,153,667.29/10,978.88
6. Step 6: Final answer
   x = 7,573.97