Finding the Fourth Proportional to 11,820.79, 17,753.01 and 7,927.93

Step by Step Solution

1. Step 1: Write the proportion equation
   11,820.79 : 17,753.01 = 7,927.93 : x
2. Step 2: Convert to fraction form
   11,820.79/17,753.01 = 7,927.93/x
3. Step 3: Cross multiply
   11,820.79x = 17,753.01 × 7,927.93
4. Step 4: Simplify right side
   11,820.79x = 140,744,620.57
5. Step 5: Solve for x
   x = 140,744,620.57/11,820.79
6. Step 6: Final answer
   x = 11,906.53