Finding the Fourth Proportional to 65,061.40, 97,604.16 and 20,699.32

Step by Step Solution

1. Step 1: Write the proportion equation
   65,061.40 : 97,604.16 = 20,699.32 : x
2. Step 2: Convert to fraction form
   65,061.40/97,604.16 = 20,699.32/x
3. Step 3: Cross multiply
   65,061.40x = 97,604.16 × 20,699.32
4. Step 4: Simplify right side
   65,061.40x = 2,020,339,741.17
5. Step 5: Solve for x
   x = 2,020,339,741.17/65,061.40
6. Step 6: Final answer
   x = 31,052.82