Finding the Fourth Proportional to 56,061.12, 77,364.96 and 30,567.28

Step by Step Solution

1. Step 1: Write the proportion equation
   56,061.12 : 77,364.96 = 30,567.28 : x
2. Step 2: Convert to fraction form
   56,061.12/77,364.96 = 30,567.28/x
3. Step 3: Cross multiply
   56,061.12x = 77,364.96 × 30,567.28
4. Step 4: Simplify right side
   56,061.12x = 2,364,836,394.51
5. Step 5: Solve for x
   x = 2,364,836,394.51/56,061.12
6. Step 6: Final answer
   x = 42,183.18