Finding the Fourth Proportional to 765,064,076.59, 1,147,592,262.84 and 298,772,850.88

Step by Step Solution

1. Step 1: Write the proportion equation
   765,064,076.59 : 1,147,592,262.84 = 298,772,850.88 : x
2. Step 2: Convert to fraction form
   765,064,076.59/1,147,592,262.84 = 298,772,850.88/x
3. Step 3: Cross multiply
   765,064,076.59x = 1,147,592,262.84 × 298,772,850.88
4. Step 4: Simplify right side
   765,064,076.59x = 342,869,412,012,871,296
5. Step 5: Solve for x
   x = 342,869,412,012,871,296/765,064,076.59
6. Step 6: Final answer
   x = 448,157,772.02