Finding the Fourth Proportional to 47,101, 64,961.78 and 30,984.87

Step by Step Solution

1. Step 1: Write the proportion equation
   47,101 : 64,961.78 = 30,984.87 : x
2. Step 2: Convert to fraction form
   47,101/64,961.78 = 30,984.87/x
3. Step 3: Cross multiply
   47,101x = 64,961.78 × 30,984.87
4. Step 4: Simplify right side
   47,101x = 2,012,832,308.27
5. Step 5: Solve for x
   x = 2,012,832,308.27/47,101
6. Step 6: Final answer
   x = 42,734.39