Finding the Fourth Proportional to 7,123,033,158.52, 10,684,550,069.99 and 4,879,868,527.21

Step by Step Solution

1. Step 1: Write the proportion equation
   7,123,033,158.52 : 10,684,550,069.99 = 4,879,868,527.21 : x
2. Step 2: Convert to fraction form
   7,123,033,158.52/10,684,550,069.99 = 4,879,868,527.21/x
3. Step 3: Cross multiply
   7,123,033,158.52x = 10,684,550,069.99 × 4,879,868,527.21
4. Step 4: Simplify right side
   7,123,033,158.52x = 52,139,199,613,943,603,200
5. Step 5: Solve for x
   x = 52,139,199,613,943,603,200/7,123,033,158.52
6. Step 6: Final answer
   x = 7,319,803,018.41