Finding the Fourth Proportional to 112,791.29, 155,641.62 and 65,035.41

Step by Step Solution

1. Step 1: Write the proportion equation
   112,791.29 : 155,641.62 = 65,035.41 : x
2. Step 2: Convert to fraction form
   112,791.29/155,641.62 = 65,035.41/x
3. Step 3: Cross multiply
   112,791.29x = 155,641.62 × 65,035.41
4. Step 4: Simplify right side
   112,791.29x = 10,122,216,569.76
5. Step 5: Solve for x
   x = 10,122,216,569.76/112,791.29
6. Step 6: Final answer
   x = 89,742.89