Finding the Fourth Proportional to 1,312,765,002.91, 1,969,150,839.71 and 536,410,663.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,312,765,002.91 : 1,969,150,839.71 = 536,410,663.62 : x
2. Step 2: Convert to fraction form
   1,312,765,002.91/1,969,150,839.71 = 536,410,663.62/x
3. Step 3: Cross multiply
   1,312,765,002.91x = 1,969,150,839.71 × 536,410,663.62
4. Step 4: Simplify right side
   1,312,765,002.91x = 1,056,273,508,698,492,160
5. Step 5: Solve for x
   x = 1,056,273,508,698,492,160/1,312,765,002.91
6. Step 6: Final answer
   x = 804,617,358.29