Finding the Fourth Proportional to 112,859.44, 155,757.17 and 64,468.61

Step by Step Solution

1. Step 1: Write the proportion equation
   112,859.44 : 155,757.17 = 64,468.61 : x
2. Step 2: Convert to fraction form
   112,859.44/155,757.17 = 64,468.61/x
3. Step 3: Cross multiply
   112,859.44x = 155,757.17 × 64,468.61
4. Step 4: Simplify right side
   112,859.44x = 10,041,447,146.30
5. Step 5: Solve for x
   x = 10,041,447,146.30/112,859.44
6. Step 6: Final answer
   x = 88,973.04