Finding the Fourth Proportional to 47,099.32, 64,952.52 and 30,938.11

Step by Step Solution

1. Step 1: Write the proportion equation
   47,099.32 : 64,952.52 = 30,938.11 : x
2. Step 2: Convert to fraction form
   47,099.32/64,952.52 = 30,938.11/x
3. Step 3: Cross multiply
   47,099.32x = 64,952.52 × 30,938.11
4. Step 4: Simplify right side
   47,099.32x = 2,009,508,208.54
5. Step 5: Solve for x
   x = 2,009,508,208.54/47,099.32
6. Step 6: Final answer
   x = 42,665.34