Finding the Fourth Proportional to 55,791.63, 76,993.05 and 30,641.13

Step by Step Solution

1. Step 1: Write the proportion equation
   55,791.63 : 76,993.05 = 30,641.13 : x
2. Step 2: Convert to fraction form
   55,791.63/76,993.05 = 30,641.13/x
3. Step 3: Cross multiply
   55,791.63x = 76,993.05 × 30,641.13
4. Step 4: Simplify right side
   55,791.63x = 2,359,154,054.15
5. Step 5: Solve for x
   x = 2,359,154,054.15/55,791.63
6. Step 6: Final answer
   x = 42,285.09