Finding the Fourth Proportional to 1,312,795,443.10, 1,811,636,394.46 and 718,074,725.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,312,795,443.10 : 1,811,636,394.46 = 718,074,725.22 : x
2. Step 2: Convert to fraction form
   1,312,795,443.10/1,811,636,394.46 = 718,074,725.22/x
3. Step 3: Cross multiply
   1,312,795,443.10x = 1,811,636,394.46 × 718,074,725.22
4. Step 4: Simplify right side
   1,312,795,443.10x = 1,300,890,306,150,416,128
5. Step 5: Solve for x
   x = 1,300,890,306,150,416,128/1,312,795,443.10
6. Step 6: Final answer
   x = 990,931,460.79