Finding the Fourth Proportional to 123,495.47, 185,538.76 and 79,208.72

Step by Step Solution

1. Step 1: Write the proportion equation
   123,495.47 : 185,538.76 = 79,208.72 : x
2. Step 2: Convert to fraction form
   123,495.47/185,538.76 = 79,208.72/x
3. Step 3: Cross multiply
   123,495.47x = 185,538.76 × 79,208.72
4. Step 4: Simplify right side
   123,495.47x = 14,696,287,689.99
5. Step 5: Solve for x
   x = 14,696,287,689.99/123,495.47
6. Step 6: Final answer
   x = 119,002.65