Finding the Fourth Proportional to 65,979, 99,021.60 and 37,533.42

Step by Step Solution

1. Step 1: Write the proportion equation
   65,979 : 99,021.60 = 37,533.42 : x
2. Step 2: Convert to fraction form
   65,979/99,021.60 = 37,533.42/x
3. Step 3: Cross multiply
   65,979x = 99,021.60 × 37,533.42
4. Step 4: Simplify right side
   65,979x = 3,716,619,301.87
5. Step 5: Solve for x
   x = 3,716,619,301.87/65,979
6. Step 6: Final answer
   x = 56,330.34