Finding the Fourth Proportional to 67,978.24, 93,577.08 and 58,972.72

Step by Step Solution

1. Step 1: Write the proportion equation
   67,978.24 : 93,577.08 = 58,972.72 : x
2. Step 2: Convert to fraction form
   67,978.24/93,577.08 = 58,972.72/x
3. Step 3: Cross multiply
   67,978.24x = 93,577.08 × 58,972.72
4. Step 4: Simplify right side
   67,978.24x = 5,518,494,937.26
5. Step 5: Solve for x
   x = 5,518,494,937.26/67,978.24
6. Step 6: Final answer
   x = 81,180.32