Finding the Fourth Proportional to 300,632,540.56, 414,725,478.96 and 260,884,282.96

Step by Step Solution

1. Step 1: Write the proportion equation
   300,632,540.56 : 414,725,478.96 = 260,884,282.96 : x
2. Step 2: Convert to fraction form
   300,632,540.56/414,725,478.96 = 260,884,282.96/x
3. Step 3: Cross multiply
   300,632,540.56x = 414,725,478.96 × 260,884,282.96
4. Step 4: Simplify right side
   300,632,540.56x = 108,195,359,203,722,160
5. Step 5: Solve for x
   x = 108,195,359,203,722,160/300,632,540.56
6. Step 6: Final answer
   x = 359,892,375.60