Finding the Fourth Proportional to 60,795.72, 91,225.69 and 43,140.47

Step by Step Solution

1. Step 1: Write the proportion equation
   60,795.72 : 91,225.69 = 43,140.47 : x
2. Step 2: Convert to fraction form
   60,795.72/91,225.69 = 43,140.47/x
3. Step 3: Cross multiply
   60,795.72x = 91,225.69 × 43,140.47
4. Step 4: Simplify right side
   60,795.72x = 3,935,518,578.69
5. Step 5: Solve for x
   x = 3,935,518,578.69/60,795.72
6. Step 6: Final answer
   x = 64,733.48