Finding the Fourth Proportional to 112,747.72, 155,594.37 and 64,348.69

Step by Step Solution

1. Step 1: Write the proportion equation
   112,747.72 : 155,594.37 = 64,348.69 : x
2. Step 2: Convert to fraction form
   112,747.72/155,594.37 = 64,348.69/x
3. Step 3: Cross multiply
   112,747.72x = 155,594.37 × 64,348.69
4. Step 4: Simplify right side
   112,747.72x = 10,012,293,593.07
5. Step 5: Solve for x
   x = 10,012,293,593.07/112,747.72
6. Step 6: Final answer
   x = 88,802.62