Finding the Fourth Proportional to 65,173.05, 97,689.69 and 42,675.18

Step by Step Solution

1. Step 1: Write the proportion equation
   65,173.05 : 97,689.69 = 42,675.18 : x
2. Step 2: Convert to fraction form
   65,173.05/97,689.69 = 42,675.18/x
3. Step 3: Cross multiply
   65,173.05x = 97,689.69 × 42,675.18
4. Step 4: Simplify right side
   65,173.05x = 4,168,925,104.89
5. Step 5: Solve for x
   x = 4,168,925,104.89/65,173.05
6. Step 6: Final answer
   x = 63,967.01