Finding the Fourth Proportional to 55,899.07, 77,141.93 and 30,748.57

Step by Step Solution

1. Step 1: Write the proportion equation
   55,899.07 : 77,141.93 = 30,748.57 : x
2. Step 2: Convert to fraction form
   55,899.07/77,141.93 = 30,748.57/x
3. Step 3: Cross multiply
   55,899.07x = 77,141.93 × 30,748.57
4. Step 4: Simplify right side
   55,899.07x = 2,372,004,034.54
5. Step 5: Solve for x
   x = 2,372,004,034.54/55,899.07
6. Step 6: Final answer
   x = 42,433.69