Finding the Fourth Proportional to 82,602.90, 123,917.31 and 49,360.50

Step by Step Solution

1. Step 1: Write the proportion equation
   82,602.90 : 123,917.31 = 49,360.50 : x
2. Step 2: Convert to fraction form
   82,602.90/123,917.31 = 49,360.50/x
3. Step 3: Cross multiply
   82,602.90x = 123,917.31 × 49,360.50
4. Step 4: Simplify right side
   82,602.90x = 6,116,620,380.26
5. Step 5: Solve for x
   x = 6,116,620,380.26/82,602.90
6. Step 6: Final answer
   x = 74,048.49