Finding the Fourth Proportional to 10,129.93, 13,980.54 and 5,938.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,129.93 : 13,980.54 = 5,938.18 : x
2. Step 2: Convert to fraction form
   10,129.93/13,980.54 = 5,938.18/x
3. Step 3: Cross multiply
   10,129.93x = 13,980.54 × 5,938.18
4. Step 4: Simplify right side
   10,129.93x = 83,018,963.02
5. Step 5: Solve for x
   x = 83,018,963.02/10,129.93
6. Step 6: Final answer
   x = 8,195.41