Finding the Fourth Proportional to 905,724, 1,358,632.17 and 231,810.84

Step by Step Solution

1. Step 1: Write the proportion equation
   905,724 : 1,358,632.17 = 231,810.84 : x
2. Step 2: Convert to fraction form
   905,724/1,358,632.17 = 231,810.84/x
3. Step 3: Cross multiply
   905,724x = 1,358,632.17 × 231,810.84
4. Step 4: Simplify right side
   905,724x = 314,945,664,578.72
5. Step 5: Solve for x
   x = 314,945,664,578.72/905,724
6. Step 6: Final answer
   x = 347,728.08