Finding the Fourth Proportional to 11,093.92, 15,312.15 and 7,317.77

Step by Step Solution

1. Step 1: Write the proportion equation
   11,093.92 : 15,312.15 = 7,317.77 : x
2. Step 2: Convert to fraction form
   11,093.92/15,312.15 = 7,317.77/x
3. Step 3: Cross multiply
   11,093.92x = 15,312.15 × 7,317.77
4. Step 4: Simplify right side
   11,093.92x = 112,050,715.34
5. Step 5: Solve for x
   x = 112,050,715.34/11,093.92
6. Step 6: Final answer
   x = 10,100.19