Finding the Fourth Proportional to 65,109.05, 97,666.41 and 31,857.11

Step by Step Solution

1. Step 1: Write the proportion equation
   65,109.05 : 97,666.41 = 31,857.11 : x
2. Step 2: Convert to fraction form
   65,109.05/97,666.41 = 31,857.11/x
3. Step 3: Cross multiply
   65,109.05x = 97,666.41 × 31,857.11
4. Step 4: Simplify right side
   65,109.05x = 3,111,369,078.34
5. Step 5: Solve for x
   x = 3,111,369,078.34/65,109.05
6. Step 6: Final answer
   x = 47,787.05