Finding the Fourth Proportional to 115,851, 159,876.81 and 65,550

Step by Step Solution

1. Step 1: Write the proportion equation
   115,851 : 159,876.81 = 65,550 : x
2. Step 2: Convert to fraction form
   115,851/159,876.81 = 65,550/x
3. Step 3: Cross multiply
   115,851x = 159,876.81 × 65,550
4. Step 4: Simplify right side
   115,851x = 10,479,924,895.50
5. Step 5: Solve for x
   x = 10,479,924,895.50/115,851
6. Step 6: Final answer
   x = 90,460.37