Finding the Fourth Proportional to 112,479.98, 155,227.05 and 64,733.45

Step by Step Solution

1. Step 1: Write the proportion equation
   112,479.98 : 155,227.05 = 64,733.45 : x
2. Step 2: Convert to fraction form
   112,479.98/155,227.05 = 64,733.45/x
3. Step 3: Cross multiply
   112,479.98x = 155,227.05 × 64,733.45
4. Step 4: Simplify right side
   112,479.98x = 10,048,381,703.69
5. Step 5: Solve for x
   x = 10,048,381,703.69/112,479.98
6. Step 6: Final answer
   x = 89,334.85