Finding the Fourth Proportional to 9,901.42, 14,852.39 and 2,881.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,901.42 : 14,852.39 = 2,881.15 : x
2. Step 2: Convert to fraction form
   9,901.42/14,852.39 = 2,881.15/x
3. Step 3: Cross multiply
   9,901.42x = 14,852.39 × 2,881.15
4. Step 4: Simplify right side
   9,901.42x = 42,791,963.45
5. Step 5: Solve for x
   x = 42,791,963.45/9,901.42
6. Step 6: Final answer
   x = 4,321.80