Finding the Fourth Proportional to 34,999.48, 48,142.38 and 28,243

Step by Step Solution

1. Step 1: Write the proportion equation
   34,999.48 : 48,142.38 = 28,243 : x
2. Step 2: Convert to fraction form
   34,999.48/48,142.38 = 28,243/x
3. Step 3: Cross multiply
   34,999.48x = 48,142.38 × 28,243
4. Step 4: Simplify right side
   34,999.48x = 1,359,685,238.34
5. Step 5: Solve for x
   x = 1,359,685,238.34/34,999.48
6. Step 6: Final answer
   x = 38,848.73