Finding the Fourth Proportional to 49,669.74, 74,036.69 and 45,683.94

Step by Step Solution

1. Step 1: Write the proportion equation
   49,669.74 : 74,036.69 = 45,683.94 : x
2. Step 2: Convert to fraction form
   49,669.74/74,036.69 = 45,683.94/x
3. Step 3: Cross multiply
   49,669.74x = 74,036.69 × 45,683.94
4. Step 4: Simplify right side
   49,669.74x = 3,382,287,703.76
5. Step 5: Solve for x
   x = 3,382,287,703.76/49,669.74
6. Step 6: Final answer
   x = 68,095.54