Finding the Fourth Proportional to 112,789.99, 155,639.83 and 65,034.11

Step by Step Solution

1. Step 1: Write the proportion equation
   112,789.99 : 155,639.83 = 65,034.11 : x
2. Step 2: Convert to fraction form
   112,789.99/155,639.83 = 65,034.11/x
3. Step 3: Cross multiply
   112,789.99x = 155,639.83 × 65,034.11
4. Step 4: Simplify right side
   112,789.99x = 10,121,897,918.23
5. Step 5: Solve for x
   x = 10,121,897,918.23/112,789.99
6. Step 6: Final answer
   x = 89,741.10