Finding the Fourth Proportional to 65,005.12, 97,465.60 and 42,751.12

Step by Step Solution

1. Step 1: Write the proportion equation
   65,005.12 : 97,465.60 = 42,751.12 : x
2. Step 2: Convert to fraction form
   65,005.12/97,465.60 = 42,751.12/x
3. Step 3: Cross multiply
   65,005.12x = 97,465.60 × 42,751.12
4. Step 4: Simplify right side
   65,005.12x = 4,166,763,561.47
5. Step 5: Solve for x
   x = 4,166,763,561.47/65,005.12
6. Step 6: Final answer
   x = 64,099.01