Finding the Fourth Proportional to 915,801.72, 1,373,900.94 and 276,051.94

Step by Step Solution

1. Step 1: Write the proportion equation
   915,801.72 : 1,373,900.94 = 276,051.94 : x
2. Step 2: Convert to fraction form
   915,801.72/1,373,900.94 = 276,051.94/x
3. Step 3: Cross multiply
   915,801.72x = 1,373,900.94 × 276,051.94
4. Step 4: Simplify right side
   915,801.72x = 379,268,019,854.82
5. Step 5: Solve for x
   x = 379,268,019,854.82/915,801.72
6. Step 6: Final answer
   x = 414,137.70