Finding the Fourth Proportional to 30,586,218.72, 42,210,178.56 and 16,836,462.24

Step by Step Solution

1. Step 1: Write the proportion equation
   30,586,218.72 : 42,210,178.56 = 16,836,462.24 : x
2. Step 2: Convert to fraction form
   30,586,218.72/42,210,178.56 = 16,836,462.24/x
3. Step 3: Cross multiply
   30,586,218.72x = 42,210,178.56 × 16,836,462.24
4. Step 4: Simplify right side
   30,586,218.72x = 710,670,077,469,097.50
5. Step 5: Solve for x
   x = 710,670,077,469,097.50/30,586,218.72
6. Step 6: Final answer
   x = 23,234,976.64