Finding the Fourth Proportional to 60,999.94, 91,271.56 and 57,796.08

Step by Step Solution

1. Step 1: Write the proportion equation
   60,999.94 : 91,271.56 = 57,796.08 : x
2. Step 2: Convert to fraction form
   60,999.94/91,271.56 = 57,796.08/x
3. Step 3: Cross multiply
   60,999.94x = 91,271.56 × 57,796.08
4. Step 4: Simplify right side
   60,999.94x = 5,275,138,518.50
5. Step 5: Solve for x
   x = 5,275,138,518.50/60,999.94
6. Step 6: Final answer
   x = 86,477.77