Finding the Fourth Proportional to 7,897.31, 10,893.71 and 5,102.81

Step by Step Solution

1. Step 1: Write the proportion equation
   7,897.31 : 10,893.71 = 5,102.81 : x
2. Step 2: Convert to fraction form
   7,897.31/10,893.71 = 5,102.81/x
3. Step 3: Cross multiply
   7,897.31x = 10,893.71 × 5,102.81
4. Step 4: Simplify right side
   7,897.31x = 55,588,490.61
5. Step 5: Solve for x
   x = 55,588,490.61/7,897.31
6. Step 6: Final answer
   x = 7,038.92