Finding the Fourth Proportional to 1,137,615.69, 1,570,233.69 and 672,900.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,137,615.69 : 1,570,233.69 = 672,900.06 : x
2. Step 2: Convert to fraction form
   1,137,615.69/1,570,233.69 = 672,900.06/x
3. Step 3: Cross multiply
   1,137,615.69x = 1,570,233.69 × 672,900.06
4. Step 4: Simplify right side
   1,137,615.69x = 1,056,610,344,215.02
5. Step 5: Solve for x
   x = 1,056,610,344,215.02/1,137,615.69
6. Step 6: Final answer
   x = 928,793.75