Finding the Fourth Proportional to 7,877.37, 11,820.18 and 5,103.33

Step by Step Solution

1. Step 1: Write the proportion equation
   7,877.37 : 11,820.18 = 5,103.33 : x
2. Step 2: Convert to fraction form
   7,877.37/11,820.18 = 5,103.33/x
3. Step 3: Cross multiply
   7,877.37x = 11,820.18 × 5,103.33
4. Step 4: Simplify right side
   7,877.37x = 60,322,279.20
5. Step 5: Solve for x
   x = 60,322,279.20/7,877.37
6. Step 6: Final answer
   x = 7,657.67