Finding the Fourth Proportional to 55,839.16, 77,059.50 and 30,689.32

Step by Step Solution

1. Step 1: Write the proportion equation
   55,839.16 : 77,059.50 = 30,689.32 : x
2. Step 2: Convert to fraction form
   55,839.16/77,059.50 = 30,689.32/x
3. Step 3: Cross multiply
   55,839.16x = 77,059.50 × 30,689.32
4. Step 4: Simplify right side
   55,839.16x = 2,364,903,654.54
5. Step 5: Solve for x
   x = 2,364,903,654.54/55,839.16
6. Step 6: Final answer
   x = 42,352.06