Finding the Fourth Proportional to 40,700.07, 56,222.69 and 30,705.48

Step by Step Solution

1. Step 1: Write the proportion equation
   40,700.07 : 56,222.69 = 30,705.48 : x
2. Step 2: Convert to fraction form
   40,700.07/56,222.69 = 30,705.48/x
3. Step 3: Cross multiply
   40,700.07x = 56,222.69 × 30,705.48
4. Step 4: Simplify right side
   40,700.07x = 1,726,344,683.34
5. Step 5: Solve for x
   x = 1,726,344,683.34/40,700.07
6. Step 6: Final answer
   x = 42,416.26