Finding the Fourth Proportional to 1,175,822,315.07, 1,621,808,675.35 and 773,807,978.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,175,822,315.07 : 1,621,808,675.35 = 773,807,978.71 : x
2. Step 2: Convert to fraction form
   1,175,822,315.07/1,621,808,675.35 = 773,807,978.71/x
3. Step 3: Cross multiply
   1,175,822,315.07x = 1,621,808,675.35 × 773,807,978.71
4. Step 4: Simplify right side
   1,175,822,315.07x = 1,254,968,492,926,926,080
5. Step 5: Solve for x
   x = 1,254,968,492,926,926,080/1,175,822,315.07
6. Step 6: Final answer
   x = 1,067,311,341.89