Finding the Fourth Proportional to 112,377.03, 155,085 and 64,630.41

Step by Step Solution

1. Step 1: Write the proportion equation
   112,377.03 : 155,085 = 64,630.41 : x
2. Step 2: Convert to fraction form
   112,377.03/155,085 = 64,630.41/x
3. Step 3: Cross multiply
   112,377.03x = 155,085 × 64,630.41
4. Step 4: Simplify right side
   112,377.03x = 10,023,207,134.85
5. Step 5: Solve for x
   x = 10,023,207,134.85/112,377.03
6. Step 6: Final answer
   x = 89,192.67