Finding the Fourth Proportional to 11,938.54, 17,903.20 and 5,274.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,938.54 : 17,903.20 = 5,274.69 : x
2. Step 2: Convert to fraction form
   11,938.54/17,903.20 = 5,274.69/x
3. Step 3: Cross multiply
   11,938.54x = 17,903.20 × 5,274.69
4. Step 4: Simplify right side
   11,938.54x = 94,433,830.01
5. Step 5: Solve for x
   x = 94,433,830.01/11,938.54
6. Step 6: Final answer
   x = 7,910.00