Finding the Fourth Proportional to 55,993.86, 77,269.31 and 30,499.82

Step by Step Solution

1. Step 1: Write the proportion equation
   55,993.86 : 77,269.31 = 30,499.82 : x
2. Step 2: Convert to fraction form
   55,993.86/77,269.31 = 30,499.82/x
3. Step 3: Cross multiply
   55,993.86x = 77,269.31 × 30,499.82
4. Step 4: Simplify right side
   55,993.86x = 2,356,699,911.81
5. Step 5: Solve for x
   x = 2,356,699,911.81/55,993.86
6. Step 6: Final answer
   x = 42,088.54