Finding the Fourth Proportional to 64,792.50, 89,414.55 and 36,111.36

Step by Step Solution

1. Step 1: Write the proportion equation
   64,792.50 : 89,414.55 = 36,111.36 : x
2. Step 2: Convert to fraction form
   64,792.50/89,414.55 = 36,111.36/x
3. Step 3: Cross multiply
   64,792.50x = 89,414.55 × 36,111.36
4. Step 4: Simplify right side
   64,792.50x = 3,228,881,061.51
5. Step 5: Solve for x
   x = 3,228,881,061.51/64,792.50
6. Step 6: Final answer
   x = 49,834.18