Finding the Fourth Proportional to 139,079.74, 208,565.01 and 49,103.25

Step by Step Solution

1. Step 1: Write the proportion equation
   139,079.74 : 208,565.01 = 49,103.25 : x
2. Step 2: Convert to fraction form
   139,079.74/208,565.01 = 49,103.25/x
3. Step 3: Cross multiply
   139,079.74x = 208,565.01 × 49,103.25
4. Step 4: Simplify right side
   139,079.74x = 10,241,219,827.28
5. Step 5: Solve for x
   x = 10,241,219,827.28/139,079.74
6. Step 6: Final answer
   x = 73,635.60