Finding the Fourth Proportional to 607,567,672.72, 838,447,414.04 and 329,109,196.26

Step by Step Solution

1. Step 1: Write the proportion equation
   607,567,672.72 : 838,447,414.04 = 329,109,196.26 : x
2. Step 2: Convert to fraction form
   607,567,672.72/838,447,414.04 = 329,109,196.26/x
3. Step 3: Cross multiply
   607,567,672.72x = 838,447,414.04 × 329,109,196.26
4. Step 4: Simplify right side
   607,567,672.72x = 275,940,754,540,979,808
5. Step 5: Solve for x
   x = 275,940,754,540,979,808/607,567,672.72
6. Step 6: Final answer
   x = 454,172,871.49