Finding the Fourth Proportional to 1,492,603,680.82, 2,059,537,979.72 and 865,928,453.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,492,603,680.82 : 2,059,537,979.72 = 865,928,453.62 : x
2. Step 2: Convert to fraction form
   1,492,603,680.82/2,059,537,979.72 = 865,928,453.62/x
3. Step 3: Cross multiply
   1,492,603,680.82x = 2,059,537,979.72 × 865,928,453.62
4. Step 4: Simplify right side
   1,492,603,680.82x = 1,783,412,537,950,598,656
5. Step 5: Solve for x
   x = 1,783,412,537,950,598,656/1,492,603,680.82
6. Step 6: Final answer
   x = 1,194,833,270.79