Finding the Fourth Proportional to 47,072.67, 64,941.50 and 30,072.50

Step by Step Solution

1. Step 1: Write the proportion equation
   47,072.67 : 64,941.50 = 30,072.50 : x
2. Step 2: Convert to fraction form
   47,072.67/64,941.50 = 30,072.50/x
3. Step 3: Cross multiply
   47,072.67x = 64,941.50 × 30,072.50
4. Step 4: Simplify right side
   47,072.67x = 1,952,953,383.51
5. Step 5: Solve for x
   x = 1,952,953,383.51/47,072.67
6. Step 6: Final answer
   x = 41,488.05