Finding the Fourth Proportional to 40,170,233.05, 55,434,957.33 and 21,835,518.55

Step by Step Solution

1. Step 1: Write the proportion equation
   40,170,233.05 : 55,434,957.33 = 21,835,518.55 : x
2. Step 2: Convert to fraction form
   40,170,233.05/55,434,957.33 = 21,835,518.55/x
3. Step 3: Cross multiply
   40,170,233.05x = 55,434,957.33 × 21,835,518.55
4. Step 4: Simplify right side
   40,170,233.05x = 1,210,451,039,097,673.50
5. Step 5: Solve for x
   x = 1,210,451,039,097,673.50/40,170,233.05
6. Step 6: Final answer
   x = 30,133,035.02