Finding the Fourth Proportional to 267,383.04, 401,074.52 and 64,978

Step by Step Solution

1. Step 1: Write the proportion equation
   267,383.04 : 401,074.52 = 64,978 : x
2. Step 2: Convert to fraction form
   267,383.04/401,074.52 = 64,978/x
3. Step 3: Cross multiply
   267,383.04x = 401,074.52 × 64,978
4. Step 4: Simplify right side
   267,383.04x = 26,061,020,160.56
5. Step 5: Solve for x
   x = 26,061,020,160.56/267,383.04
6. Step 6: Final answer
   x = 97,466.99