Finding the Fourth Proportional to 119,349, 164,705.76 and 65,638.08

Step by Step Solution

1. Step 1: Write the proportion equation
   119,349 : 164,705.76 = 65,638.08 : x
2. Step 2: Convert to fraction form
   119,349/164,705.76 = 65,638.08/x
3. Step 3: Cross multiply
   119,349x = 164,705.76 × 65,638.08
4. Step 4: Simplify right side
   119,349x = 10,810,969,851.34
5. Step 5: Solve for x
   x = 10,810,969,851.34/119,349
6. Step 6: Final answer
   x = 90,582.83