Finding the Fourth Proportional to 32,099.31, 48,055.28 and 18,731.34

Step by Step Solution

1. Step 1: Write the proportion equation
   32,099.31 : 48,055.28 = 18,731.34 : x
2. Step 2: Convert to fraction form
   32,099.31/48,055.28 = 18,731.34/x
3. Step 3: Cross multiply
   32,099.31x = 48,055.28 × 18,731.34
4. Step 4: Simplify right side
   32,099.31x = 900,139,694.82
5. Step 5: Solve for x
   x = 900,139,694.82/32,099.31
6. Step 6: Final answer
   x = 28,042.34