Finding the Fourth Proportional to 139,061.75, 208,523.61 and 44,279.59

Step by Step Solution

1. Step 1: Write the proportion equation
   139,061.75 : 208,523.61 = 44,279.59 : x
2. Step 2: Convert to fraction form
   139,061.75/208,523.61 = 44,279.59/x
3. Step 3: Cross multiply
   139,061.75x = 208,523.61 × 44,279.59
4. Step 4: Simplify right side
   139,061.75x = 9,233,339,956.12
5. Step 5: Solve for x
   x = 9,233,339,956.12/139,061.75
6. Step 6: Final answer
   x = 66,397.41