Finding the Fourth Proportional to 70,473, 97,255.68 and 38,643.12

Step by Step Solution

1. Step 1: Write the proportion equation
   70,473 : 97,255.68 = 38,643.12 : x
2. Step 2: Convert to fraction form
   70,473/97,255.68 = 38,643.12/x
3. Step 3: Cross multiply
   70,473x = 97,255.68 × 38,643.12
4. Step 4: Simplify right side
   70,473x = 3,758,262,912.92
5. Step 5: Solve for x
   x = 3,758,262,912.92/70,473
6. Step 6: Final answer
   x = 53,329.12