Finding the Fourth Proportional to 70,485, 97,260.36 and 38,645.52

Step by Step Solution

1. Step 1: Write the proportion equation
   70,485 : 97,260.36 = 38,645.52 : x
2. Step 2: Convert to fraction form
   70,485/97,260.36 = 38,645.52/x
3. Step 3: Cross multiply
   70,485x = 97,260.36 × 38,645.52
4. Step 4: Simplify right side
   70,485x = 3,758,677,187.59
5. Step 5: Solve for x
   x = 3,758,677,187.59/70,485
6. Step 6: Final answer
   x = 53,325.92