Finding the Fourth Proportional to 1,116,456.16, 1,540,666.56 and 607,159.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116,456.16 : 1,540,666.56 = 607,159.12 : x
2. Step 2: Convert to fraction form
   1,116,456.16/1,540,666.56 = 607,159.12/x
3. Step 3: Cross multiply
   1,116,456.16x = 1,540,666.56 × 607,159.12
4. Step 4: Simplify right side
   1,116,456.16x = 935,429,752,783.03
5. Step 5: Solve for x
   x = 935,429,752,783.03/1,116,456.16
6. Step 6: Final answer
   x = 837,856.23