Finding the Fourth Proportional to 65,350.81, 97,583.56 and 51,872.59

Step by Step Solution

1. Step 1: Write the proportion equation
   65,350.81 : 97,583.56 = 51,872.59 : x
2. Step 2: Convert to fraction form
   65,350.81/97,583.56 = 51,872.59/x
3. Step 3: Cross multiply
   65,350.81x = 97,583.56 × 51,872.59
4. Step 4: Simplify right side
   65,350.81x = 5,061,912,185.44
5. Step 5: Solve for x
   x = 5,061,912,185.44/65,350.81
6. Step 6: Final answer
   x = 77,457.53