Finding the Fourth Proportional to 9,938.07, 13,714.79 and 5,461.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,938.07 : 13,714.79 = 5,461.94 : x
2. Step 2: Convert to fraction form
   9,938.07/13,714.79 = 5,461.94/x
3. Step 3: Cross multiply
   9,938.07x = 13,714.79 × 5,461.94
4. Step 4: Simplify right side
   9,938.07x = 74,909,360.09
5. Step 5: Solve for x
   x = 74,909,360.09/9,938.07
6. Step 6: Final answer
   x = 7,537.62