Finding the Fourth Proportional to 646,456,078.25, 969,684,130.24 and 155,169,348.00

Step by Step Solution

1. Step 1: Write the proportion equation
   646,456,078.25 : 969,684,130.24 = 155,169,348.00 : x
2. Step 2: Convert to fraction form
   646,456,078.25/969,684,130.24 = 155,169,348.00/x
3. Step 3: Cross multiply
   646,456,078.25x = 969,684,130.24 × 155,169,348.00
4. Step 4: Simplify right side
   646,456,078.25x = 150,465,254,250,439,456
5. Step 5: Solve for x
   x = 150,465,254,250,439,456/646,456,078.25
6. Step 6: Final answer
   x = 232,754,025.08