Finding the Fourth Proportional to 65,955.12, 91,013.40 and 37,279.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,955.12 : 91,013.40 = 37,279.50 : x
2. Step 2: Convert to fraction form
   65,955.12/91,013.40 = 37,279.50/x
3. Step 3: Cross multiply
   65,955.12x = 91,013.40 × 37,279.50
4. Step 4: Simplify right side
   65,955.12x = 3,392,934,045.30
5. Step 5: Solve for x
   x = 3,392,934,045.30/65,955.12
6. Step 6: Final answer
   x = 51,443.07