Finding the Fourth Proportional to 67,533, 93,134.88 and 56,239.80

Step by Step Solution

1. Step 1: Write the proportion equation
   67,533 : 93,134.88 = 56,239.80 : x
2. Step 2: Convert to fraction form
   67,533/93,134.88 = 56,239.80/x
3. Step 3: Cross multiply
   67,533x = 93,134.88 × 56,239.80
4. Step 4: Simplify right side
   67,533x = 5,237,887,024.22
5. Step 5: Solve for x
   x = 5,237,887,024.22/67,533
6. Step 6: Final answer
   x = 77,560.41