Finding the Fourth Proportional to 65,996.70, 91,077.23 and 37,320.65

Step by Step Solution

1. Step 1: Write the proportion equation
   65,996.70 : 91,077.23 = 37,320.65 : x
2. Step 2: Convert to fraction form
   65,996.70/91,077.23 = 37,320.65/x
3. Step 3: Cross multiply
   65,996.70x = 91,077.23 × 37,320.65
4. Step 4: Simplify right side
   65,996.70x = 3,399,061,242.76
5. Step 5: Solve for x
   x = 3,399,061,242.76/65,996.70
6. Step 6: Final answer
   x = 51,503.51