Finding the Fourth Proportional to 56,016, 77,303.70 and 30,867.12

Step by Step Solution

1. Step 1: Write the proportion equation
   56,016 : 77,303.70 = 30,867.12 : x
2. Step 2: Convert to fraction form
   56,016/77,303.70 = 30,867.12/x
3. Step 3: Cross multiply
   56,016x = 77,303.70 × 30,867.12
4. Step 4: Simplify right side
   56,016x = 2,386,142,584.34
5. Step 5: Solve for x
   x = 2,386,142,584.34/56,016
6. Step 6: Final answer
   x = 42,597.52