Finding the Fourth Proportional to 138,846.56, 208,226.79 and 50,088.53

Step by Step Solution

1. Step 1: Write the proportion equation
   138,846.56 : 208,226.79 = 50,088.53 : x
2. Step 2: Convert to fraction form
   138,846.56/208,226.79 = 50,088.53/x
3. Step 3: Cross multiply
   138,846.56x = 208,226.79 × 50,088.53
4. Step 4: Simplify right side
   138,846.56x = 10,429,773,817.72
5. Step 5: Solve for x
   x = 10,429,773,817.72/138,846.56
6. Step 6: Final answer
   x = 75,117.26