Finding the Fourth Proportional to 423,815,870.10, 635,723,805.15 and 309,024,614.10

Step by Step Solution

1. Step 1: Write the proportion equation
   423,815,870.10 : 635,723,805.15 = 309,024,614.10 : x
2. Step 2: Convert to fraction form
   423,815,870.10/635,723,805.15 = 309,024,614.10/x
3. Step 3: Cross multiply
   423,815,870.10x = 635,723,805.15 × 309,024,614.10
4. Step 4: Simplify right side
   423,815,870.10x = 196,454,303,560,662,336
5. Step 5: Solve for x
   x = 196,454,303,560,662,336/423,815,870.10
6. Step 6: Final answer
   x = 463,536,921.15