Finding the Fourth Proportional to 370,113.32, 555,168.15 and 89,630.57

Step by Step Solution

1. Step 1: Write the proportion equation
   370,113.32 : 555,168.15 = 89,630.57 : x
2. Step 2: Convert to fraction form
   370,113.32/555,168.15 = 89,630.57/x
3. Step 3: Cross multiply
   370,113.32x = 555,168.15 × 89,630.57
4. Step 4: Simplify right side
   370,113.32x = 49,760,039,118.27
5. Step 5: Solve for x
   x = 49,760,039,118.27/370,113.32
6. Step 6: Final answer
   x = 134,445.41