Finding the Fourth Proportional to 64,161, 88,542.18 and 39,010.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,161 : 88,542.18 = 39,010.50 : x
2. Step 2: Convert to fraction form
   64,161/88,542.18 = 39,010.50/x
3. Step 3: Cross multiply
   64,161x = 88,542.18 × 39,010.50
4. Step 4: Simplify right side
   64,161x = 3,454,074,712.89
5. Step 5: Solve for x
   x = 3,454,074,712.89/64,161
6. Step 6: Final answer
   x = 53,834.49