Finding the Fourth Proportional to 77,447.34, 106,837.83 and 50,605.56

Step by Step Solution

1. Step 1: Write the proportion equation
   77,447.34 : 106,837.83 = 50,605.56 : x
2. Step 2: Convert to fraction form
   77,447.34/106,837.83 = 50,605.56/x
3. Step 3: Cross multiply
   77,447.34x = 106,837.83 × 50,605.56
4. Step 4: Simplify right side
   77,447.34x = 5,406,588,216.33
5. Step 5: Solve for x
   x = 5,406,588,216.33/77,447.34
6. Step 6: Final answer
   x = 69,809.86