Finding the Fourth Proportional to 13,811.92, 19,061.67 and 7,845.46

Step by Step Solution

1. Step 1: Write the proportion equation
   13,811.92 : 19,061.67 = 7,845.46 : x
2. Step 2: Convert to fraction form
   13,811.92/19,061.67 = 7,845.46/x
3. Step 3: Cross multiply
   13,811.92x = 19,061.67 × 7,845.46
4. Step 4: Simplify right side
   13,811.92x = 149,547,569.52
5. Step 5: Solve for x
   x = 149,547,569.52/13,811.92
6. Step 6: Final answer
   x = 10,827.43