Finding the Fourth Proportional to 9,875.18, 13,627.71 and 5,398.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,875.18 : 13,627.71 = 5,398.94 : x
2. Step 2: Convert to fraction form
   9,875.18/13,627.71 = 5,398.94/x
3. Step 3: Cross multiply
   9,875.18x = 13,627.71 × 5,398.94
4. Step 4: Simplify right side
   9,875.18x = 73,575,188.63
5. Step 5: Solve for x
   x = 73,575,188.63/9,875.18
6. Step 6: Final answer
   x = 7,450.52