Finding the Fourth Proportional to 648,653,794.83, 973,146,435.42 and 188,591,964.15

Step by Step Solution

1. Step 1: Write the proportion equation
   648,653,794.83 : 973,146,435.42 = 188,591,964.15 : x
2. Step 2: Convert to fraction form
   648,653,794.83/973,146,435.42 = 188,591,964.15/x
3. Step 3: Cross multiply
   648,653,794.83x = 973,146,435.42 × 188,591,964.15
4. Step 4: Simplify right side
   648,653,794.83x = 183,527,597,661,428,928
5. Step 5: Solve for x
   x = 183,527,597,661,428,928/648,653,794.83
6. Step 6: Final answer
   x = 282,936,135.00