Finding the Fourth Proportional to 915,677.33, 1,373,712.83 and 308,525.99

Step by Step Solution

1. Step 1: Write the proportion equation
   915,677.33 : 1,373,712.83 = 308,525.99 : x
2. Step 2: Convert to fraction form
   915,677.33/1,373,712.83 = 308,525.99/x
3. Step 3: Cross multiply
   915,677.33x = 1,373,712.83 × 308,525.99
4. Step 4: Simplify right side
   915,677.33x = 423,826,109,308.82
5. Step 5: Solve for x
   x = 423,826,109,308.82/915,677.33
6. Step 6: Final answer
   x = 462,855.30