Finding the Fourth Proportional to 151,257,429.97, 208,831,799.85 and 123,446,581.15

Step by Step Solution

1. Step 1: Write the proportion equation
   151,257,429.97 : 208,831,799.85 = 123,446,581.15 : x
2. Step 2: Convert to fraction form
   151,257,429.97/208,831,799.85 = 123,446,581.15/x
3. Step 3: Cross multiply
   151,257,429.97x = 208,831,799.85 × 123,446,581.15
4. Step 4: Simplify right side
   151,257,429.97x = 25,779,571,726,883,584
5. Step 5: Solve for x
   x = 25,779,571,726,883,584/151,257,429.97
6. Step 6: Final answer
   x = 170,435,077.02