Finding the Fourth Proportional to 56,016.34, 77,299.05 and 30,865.84

Step by Step Solution

1. Step 1: Write the proportion equation
   56,016.34 : 77,299.05 = 30,865.84 : x
2. Step 2: Convert to fraction form
   56,016.34/77,299.05 = 30,865.84/x
3. Step 3: Cross multiply
   56,016.34x = 77,299.05 × 30,865.84
4. Step 4: Simplify right side
   56,016.34x = 2,385,900,109.45
5. Step 5: Solve for x
   x = 2,385,900,109.45/56,016.34
6. Step 6: Final answer
   x = 42,592.93