Finding the Fourth Proportional to 56,364.26, 77,784.07 and 30,871.69

Step by Step Solution

1. Step 1: Write the proportion equation
   56,364.26 : 77,784.07 = 30,871.69 : x
2. Step 2: Convert to fraction form
   56,364.26/77,784.07 = 30,871.69/x
3. Step 3: Cross multiply
   56,364.26x = 77,784.07 × 30,871.69
4. Step 4: Simplify right side
   56,364.26x = 2,401,325,424.34
5. Step 5: Solve for x
   x = 2,401,325,424.34/56,364.26
6. Step 6: Final answer
   x = 42,603.69