Finding the Fourth Proportional to 765,064,083.83, 1,147,592,273.72 and 298,772,858.12

Step by Step Solution

1. Step 1: Write the proportion equation
   765,064,083.83 : 1,147,592,273.72 = 298,772,858.12 : x
2. Step 2: Convert to fraction form
   765,064,083.83/1,147,592,273.72 = 298,772,858.12/x
3. Step 3: Cross multiply
   765,064,083.83x = 1,147,592,273.72 × 298,772,858.12
4. Step 4: Simplify right side
   765,064,083.83x = 342,869,423,574,259,904
5. Step 5: Solve for x
   x = 342,869,423,574,259,904/765,064,083.83
6. Step 6: Final answer
   x = 448,157,782.89