Finding the Fourth Proportional to 78,951.72, 108,951 and 47,141.88

Step by Step Solution

1. Step 1: Write the proportion equation
   78,951.72 : 108,951 = 47,141.88 : x
2. Step 2: Convert to fraction form
   78,951.72/108,951 = 47,141.88/x
3. Step 3: Cross multiply
   78,951.72x = 108,951 × 47,141.88
4. Step 4: Simplify right side
   78,951.72x = 5,136,154,967.88
5. Step 5: Solve for x
   x = 5,136,154,967.88/78,951.72
6. Step 6: Final answer
   x = 65,054.38