Finding the Fourth Proportional to 82,410.24, 123,309.16 and 49,148.40

Step by Step Solution

1. Step 1: Write the proportion equation
   82,410.24 : 123,309.16 = 49,148.40 : x
2. Step 2: Convert to fraction form
   82,410.24/123,309.16 = 49,148.40/x
3. Step 3: Cross multiply
   82,410.24x = 123,309.16 × 49,148.40
4. Step 4: Simplify right side
   82,410.24x = 6,060,447,919.34
5. Step 5: Solve for x
   x = 6,060,447,919.34/82,410.24
6. Step 6: Final answer
   x = 73,539.99