Finding the Fourth Proportional to 67,491.96, 93,247.38 and 57,525.72

Step by Step Solution

1. Step 1: Write the proportion equation
   67,491.96 : 93,247.38 = 57,525.72 : x
2. Step 2: Convert to fraction form
   67,491.96/93,247.38 = 57,525.72/x
3. Step 3: Cross multiply
   67,491.96x = 93,247.38 × 57,525.72
4. Step 4: Simplify right side
   67,491.96x = 5,364,122,672.61
5. Step 5: Solve for x
   x = 5,364,122,672.61/67,491.96
6. Step 6: Final answer
   x = 79,477.95