Finding the Fourth Proportional to 139,061.87, 208,523.73 and 44,279.68

Step by Step Solution

1. Step 1: Write the proportion equation
   139,061.87 : 208,523.73 = 44,279.68 : x
2. Step 2: Convert to fraction form
   139,061.87/208,523.73 = 44,279.68/x
3. Step 3: Cross multiply
   139,061.87x = 208,523.73 × 44,279.68
4. Step 4: Simplify right side
   139,061.87x = 9,233,364,036.81
5. Step 5: Solve for x
   x = 9,233,364,036.81/139,061.87
6. Step 6: Final answer
   x = 66,397.53