Finding the Fourth Proportional to 70,552.59, 97,362.50 and 38,721.57

Step by Step Solution

1. Step 1: Write the proportion equation
   70,552.59 : 97,362.50 = 38,721.57 : x
2. Step 2: Convert to fraction form
   70,552.59/97,362.50 = 38,721.57/x
3. Step 3: Cross multiply
   70,552.59x = 97,362.50 × 38,721.57
4. Step 4: Simplify right side
   70,552.59x = 3,770,028,665.52
5. Step 5: Solve for x
   x = 3,770,028,665.52/70,552.59
6. Step 6: Final answer
   x = 53,435.72