Finding the Fourth Proportional to 85,145.69, 117,501.06 and 49,356.47

Step by Step Solution

1. Step 1: Write the proportion equation
   85,145.69 : 117,501.06 = 49,356.47 : x
2. Step 2: Convert to fraction form
   85,145.69/117,501.06 = 49,356.47/x
3. Step 3: Cross multiply
   85,145.69x = 117,501.06 × 49,356.47
4. Step 4: Simplify right side
   85,145.69x = 5,799,436,955.35
5. Step 5: Solve for x
   x = 5,799,436,955.35/85,145.69
6. Step 6: Final answer
   x = 68,111.93