Finding the Fourth Proportional to 1,105,760.78, 1,525,364.63 and 760,998.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105,760.78 : 1,525,364.63 = 760,998.17 : x
2. Step 2: Convert to fraction form
   1,105,760.78/1,525,364.63 = 760,998.17/x
3. Step 3: Cross multiply
   1,105,760.78x = 1,525,364.63 × 760,998.17
4. Step 4: Simplify right side
   1,105,760.78x = 1,160,799,692,012.73
5. Step 5: Solve for x
   x = 1,160,799,692,012.73/1,105,760.78
6. Step 6: Final answer
   x = 1,049,774.70