Finding the Fourth Proportional to 480,433,631.34, 662,980,642.83 and 260,412,333.42

Step by Step Solution

1. Step 1: Write the proportion equation
   480,433,631.34 : 662,980,642.83 = 260,412,333.42 : x
2. Step 2: Convert to fraction form
   480,433,631.34/662,980,642.83 = 260,412,333.42/x
3. Step 3: Cross multiply
   480,433,631.34x = 662,980,642.83 × 260,412,333.42
4. Step 4: Simplify right side
   480,433,631.34x = 172,648,336,211,651,904
5. Step 5: Solve for x
   x = 172,648,336,211,651,904/480,433,631.34
6. Step 6: Final answer
   x = 359,359,389.00