Finding the Fourth Proportional to 67,500.34, 101,155.43 and 51,643.98

Step by Step Solution

1. Step 1: Write the proportion equation
   67,500.34 : 101,155.43 = 51,643.98 : x
2. Step 2: Convert to fraction form
   67,500.34/101,155.43 = 51,643.98/x
3. Step 3: Cross multiply
   67,500.34x = 101,155.43 × 51,643.98
4. Step 4: Simplify right side
   67,500.34x = 5,224,069,132.92
5. Step 5: Solve for x
   x = 5,224,069,132.92/67,500.34
6. Step 6: Final answer
   x = 77,393.23