Finding the Fourth Proportional to 73,216.08, 101,090.25 and 57,879.72

Step by Step Solution

1. Step 1: Write the proportion equation
   73,216.08 : 101,090.25 = 57,879.72 : x
2. Step 2: Convert to fraction form
   73,216.08/101,090.25 = 57,879.72/x
3. Step 3: Cross multiply
   73,216.08x = 101,090.25 × 57,879.72
4. Step 4: Simplify right side
   73,216.08x = 5,851,075,364.73
5. Step 5: Solve for x
   x = 5,851,075,364.73/73,216.08
6. Step 6: Final answer
   x = 79,915.17