Finding the Fourth Proportional to 82,031.76, 123,009.12 and 48,756.24

Step by Step Solution

1. Step 1: Write the proportion equation
   82,031.76 : 123,009.12 = 48,756.24 : x
2. Step 2: Convert to fraction form
   82,031.76/123,009.12 = 48,756.24/x
3. Step 3: Cross multiply
   82,031.76x = 123,009.12 × 48,756.24
4. Step 4: Simplify right side
   82,031.76x = 5,997,462,176.91
5. Step 5: Solve for x
   x = 5,997,462,176.91/82,031.76
6. Step 6: Final answer
   x = 73,111.47