Finding the Fourth Proportional to 13,852.40, 19,113.98 and 7,881.89

Step by Step Solution

1. Step 1: Write the proportion equation
   13,852.40 : 19,113.98 = 7,881.89 : x
2. Step 2: Convert to fraction form
   13,852.40/19,113.98 = 7,881.89/x
3. Step 3: Cross multiply
   13,852.40x = 19,113.98 × 7,881.89
4. Step 4: Simplify right side
   13,852.40x = 150,654,152.84
5. Step 5: Solve for x
   x = 150,654,152.84/13,852.40
6. Step 6: Final answer
   x = 10,875.68