Finding the Fourth Proportional to 526,111.40, 789,284.05 and 245,475.56

Step by Step Solution

1. Step 1: Write the proportion equation
   526,111.40 : 789,284.05 = 245,475.56 : x
2. Step 2: Convert to fraction form
   526,111.40/789,284.05 = 245,475.56/x
3. Step 3: Cross multiply
   526,111.40x = 789,284.05 × 245,475.56
4. Step 4: Simplify right side
   526,111.40x = 193,749,945,532.34
5. Step 5: Solve for x
   x = 193,749,945,532.34/526,111.40
6. Step 6: Final answer
   x = 368,267.91