Finding the Fourth Proportional to 259,009,180.56, 357,453,048.72 and 147,504,740.40

Step by Step Solution

1. Step 1: Write the proportion equation
   259,009,180.56 : 357,453,048.72 = 147,504,740.40 : x
2. Step 2: Convert to fraction form
   259,009,180.56/357,453,048.72 = 147,504,740.40/x
3. Step 3: Cross multiply
   259,009,180.56x = 357,453,048.72 × 147,504,740.40
4. Step 4: Simplify right side
   259,009,180.56x = 52,726,019,156,632,160
5. Step 5: Solve for x
   x = 52,726,019,156,632,160/259,009,180.56
6. Step 6: Final answer
   x = 203,568,147.83