Finding the Fourth Proportional to 35,443.39, 53,173.32 and 12,070.03

Step by Step Solution

1. Step 1: Write the proportion equation
   35,443.39 : 53,173.32 = 12,070.03 : x
2. Step 2: Convert to fraction form
   35,443.39/53,173.32 = 12,070.03/x
3. Step 3: Cross multiply
   35,443.39x = 53,173.32 × 12,070.03
4. Step 4: Simplify right side
   35,443.39x = 641,803,567.60
5. Step 5: Solve for x
   x = 641,803,567.60/35,443.39
6. Step 6: Final answer
   x = 18,107.85