Finding the Fourth Proportional to 70,003.59, 96,623.37 and 39,806.61

Step by Step Solution

1. Step 1: Write the proportion equation
   70,003.59 : 96,623.37 = 39,806.61 : x
2. Step 2: Convert to fraction form
   70,003.59/96,623.37 = 39,806.61/x
3. Step 3: Cross multiply
   70,003.59x = 96,623.37 × 39,806.61
4. Step 4: Simplify right side
   70,003.59x = 3,846,248,806.48
5. Step 5: Solve for x
   x = 3,846,248,806.48/70,003.59
6. Step 6: Final answer
   x = 54,943.59