Finding the Fourth Proportional to 1,173,250.69, 1,619,085.95 and 636,706.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,173,250.69 : 1,619,085.95 = 636,706.69 : x
2. Step 2: Convert to fraction form
   1,173,250.69/1,619,085.95 = 636,706.69/x
3. Step 3: Cross multiply
   1,173,250.69x = 1,619,085.95 × 636,706.69
4. Step 4: Simplify right side
   1,173,250.69x = 1,030,882,851,206.41
5. Step 5: Solve for x
   x = 1,030,882,851,206.41/1,173,250.69
6. Step 6: Final answer
   x = 878,655.23