Finding the Fourth Proportional to 91,839.51, 126,744.19 and 61,160.00

Step by Step Solution

1. Step 1: Write the proportion equation
   91,839.51 : 126,744.19 = 61,160.00 : x
2. Step 2: Convert to fraction form
   91,839.51/126,744.19 = 61,160.00/x
3. Step 3: Cross multiply
   91,839.51x = 126,744.19 × 61,160.00
4. Step 4: Simplify right side
   91,839.51x = 7,751,673,873.78
5. Step 5: Solve for x
   x = 7,751,673,873.78/91,839.51
6. Step 6: Final answer
   x = 84,404.56