Finding the Fourth Proportional to 116,721.33, 175,085.37 and 45,641.09

Step by Step Solution

1. Step 1: Write the proportion equation
   116,721.33 : 175,085.37 = 45,641.09 : x
2. Step 2: Convert to fraction form
   116,721.33/175,085.37 = 45,641.09/x
3. Step 3: Cross multiply
   116,721.33x = 175,085.37 × 45,641.09
4. Step 4: Simplify right side
   116,721.33x = 7,991,086,254.43
5. Step 5: Solve for x
   x = 7,991,086,254.43/116,721.33
6. Step 6: Final answer
   x = 68,462.95