Finding the Fourth Proportional to 89,111.04, 133,647.63 and 53,103.43

Step by Step Solution

1. Step 1: Write the proportion equation
   89,111.04 : 133,647.63 = 53,103.43 : x
2. Step 2: Convert to fraction form
   89,111.04/133,647.63 = 53,103.43/x
3. Step 3: Cross multiply
   89,111.04x = 133,647.63 × 53,103.43
4. Step 4: Simplify right side
   89,111.04x = 7,097,147,564.37
5. Step 5: Solve for x
   x = 7,097,147,564.37/89,111.04
6. Step 6: Final answer
   x = 79,643.86