Finding the Fourth Proportional to 47,085.78, 64,971.50 and 26,938.86

Step by Step Solution

1. Step 1: Write the proportion equation
   47,085.78 : 64,971.50 = 26,938.86 : x
2. Step 2: Convert to fraction form
   47,085.78/64,971.50 = 26,938.86/x
3. Step 3: Cross multiply
   47,085.78x = 64,971.50 × 26,938.86
4. Step 4: Simplify right side
   47,085.78x = 1,750,257,764.15
5. Step 5: Solve for x
   x = 1,750,257,764.15/47,085.78
6. Step 6: Final answer
   x = 37,171.68