Finding the Fourth Proportional to 139,030.74, 208,562.33 and 50,326.02

Step by Step Solution

1. Step 1: Write the proportion equation
   139,030.74 : 208,562.33 = 50,326.02 : x
2. Step 2: Convert to fraction form
   139,030.74/208,562.33 = 50,326.02/x
3. Step 3: Cross multiply
   139,030.74x = 208,562.33 × 50,326.02
4. Step 4: Simplify right side
   139,030.74x = 10,496,112,116.64
5. Step 5: Solve for x
   x = 10,496,112,116.64/139,030.74
6. Step 6: Final answer
   x = 75,494.90