Finding the Fourth Proportional to 1,217,372.58, 1,680,005.36 and 733,968.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,217,372.58 : 1,680,005.36 = 733,968.72 : x
2. Step 2: Convert to fraction form
   1,217,372.58/1,680,005.36 = 733,968.72/x
3. Step 3: Cross multiply
   1,217,372.58x = 1,680,005.36 × 733,968.72
4. Step 4: Simplify right side
   1,217,372.58x = 1,233,071,380,002.50
5. Step 5: Solve for x
   x = 1,233,071,380,002.50/1,217,372.58
6. Step 6: Final answer
   x = 1,012,895.64