Finding the Fourth Proportional to 13,875.41, 19,148.28 and 7,906.95

Step by Step Solution

1. Step 1: Write the proportion equation
   13,875.41 : 19,148.28 = 7,906.95 : x
2. Step 2: Convert to fraction form
   13,875.41/19,148.28 = 7,906.95/x
3. Step 3: Cross multiply
   13,875.41x = 19,148.28 × 7,906.95
4. Step 4: Simplify right side
   13,875.41x = 151,404,588.15
5. Step 5: Solve for x
   x = 151,404,588.15/13,875.41
6. Step 6: Final answer
   x = 10,911.72