Finding the Fourth Proportional to 772,662,200.99, 1,066,551,188.87 and 459,395,667.62

Step by Step Solution

1. Step 1: Write the proportion equation
   772,662,200.99 : 1,066,551,188.87 = 459,395,667.62 : x
2. Step 2: Convert to fraction form
   772,662,200.99/1,066,551,188.87 = 459,395,667.62/x
3. Step 3: Cross multiply
   772,662,200.99x = 1,066,551,188.87 × 459,395,667.62
4. Step 4: Simplify right side
   772,662,200.99x = 489,968,995,454,208,640
5. Step 5: Solve for x
   x = 489,968,995,454,208,640/772,662,200.99
6. Step 6: Final answer
   x = 634,130,924.00