Finding the Fourth Proportional to 7,877.00, 10,868.36 and 5,187.93

Step by Step Solution

1. Step 1: Write the proportion equation
   7,877.00 : 10,868.36 = 5,187.93 : x
2. Step 2: Convert to fraction form
   7,877.00/10,868.36 = 5,187.93/x
3. Step 3: Cross multiply
   7,877.00x = 10,868.36 × 5,187.93
4. Step 4: Simplify right side
   7,877.00x = 56,384,264.96
5. Step 5: Solve for x
   x = 56,384,264.96/7,877.00
6. Step 6: Final answer
   x = 7,158.09