Finding the Fourth Proportional to 115,316.34, 159,136.28 and 65,014.98

Step by Step Solution

1. Step 1: Write the proportion equation
   115,316.34 : 159,136.28 = 65,014.98 : x
2. Step 2: Convert to fraction form
   115,316.34/159,136.28 = 65,014.98/x
3. Step 3: Cross multiply
   115,316.34x = 159,136.28 × 65,014.98
4. Step 4: Simplify right side
   115,316.34x = 10,346,242,061.47
5. Step 5: Solve for x
   x = 10,346,242,061.47/115,316.34
6. Step 6: Final answer
   x = 89,720.52