Finding the Fourth Proportional to 73,975.55, 101,966.30 and 57,814.31

Step by Step Solution

1. Step 1: Write the proportion equation
   73,975.55 : 101,966.30 = 57,814.31 : x
2. Step 2: Convert to fraction form
   73,975.55/101,966.30 = 57,814.31/x
3. Step 3: Cross multiply
   73,975.55x = 101,966.30 × 57,814.31
4. Step 4: Simplify right side
   73,975.55x = 5,895,111,460.40
5. Step 5: Solve for x
   x = 5,895,111,460.40/73,975.55
6. Step 6: Final answer
   x = 79,690.00