Finding the Fourth Proportional to 65,111.10, 97,665.63 and 20,737.47

Step by Step Solution

1. Step 1: Write the proportion equation
   65,111.10 : 97,665.63 = 20,737.47 : x
2. Step 2: Convert to fraction form
   65,111.10/97,665.63 = 20,737.47/x
3. Step 3: Cross multiply
   65,111.10x = 97,665.63 × 20,737.47
4. Step 4: Simplify right side
   65,111.10x = 2,025,338,072.16
5. Step 5: Solve for x
   x = 2,025,338,072.16/65,111.10
6. Step 6: Final answer
   x = 31,105.88