Finding the Fourth Proportional to 47,091.51, 64,967.40 and 30,091.37

Step by Step Solution

1. Step 1: Write the proportion equation
   47,091.51 : 64,967.40 = 30,091.37 : x
2. Step 2: Convert to fraction form
   47,091.51/64,967.40 = 30,091.37/x
3. Step 3: Cross multiply
   47,091.51x = 64,967.40 × 30,091.37
4. Step 4: Simplify right side
   47,091.51x = 1,954,957,746.50
5. Step 5: Solve for x
   x = 1,954,957,746.50/47,091.51
6. Step 6: Final answer
   x = 41,514.02