Finding the Fourth Proportional to 56,016.84, 77,299.74 and 30,866.34

Step by Step Solution

1. Step 1: Write the proportion equation
   56,016.84 : 77,299.74 = 30,866.34 : x
2. Step 2: Convert to fraction form
   56,016.84/77,299.74 = 30,866.34/x
3. Step 3: Cross multiply
   56,016.84x = 77,299.74 × 30,866.34
4. Step 4: Simplify right side
   56,016.84x = 2,385,960,056.75
5. Step 5: Solve for x
   x = 2,385,960,056.75/56,016.84
6. Step 6: Final answer
   x = 42,593.62