Finding the Fourth Proportional to 70,146.30, 105,265.50 and 25,773.42

Step by Step Solution

1. Step 1: Write the proportion equation
   70,146.30 : 105,265.50 = 25,773.42 : x
2. Step 2: Convert to fraction form
   70,146.30/105,265.50 = 25,773.42/x
3. Step 3: Cross multiply
   70,146.30x = 105,265.50 × 25,773.42
4. Step 4: Simplify right side
   70,146.30x = 2,713,051,943.01
5. Step 5: Solve for x
   x = 2,713,051,943.01/70,146.30
6. Step 6: Final answer
   x = 38,677.05