Finding the Fourth Proportional to 496,111,763.48, 684,251,827.83 and 308,051,401.10

Step by Step Solution

1. Step 1: Write the proportion equation
   496,111,763.48 : 684,251,827.83 = 308,051,401.10 : x
2. Step 2: Convert to fraction form
   496,111,763.48/684,251,827.83 = 308,051,401.10/x
3. Step 3: Cross multiply
   496,111,763.48x = 684,251,827.83 × 308,051,401.10
4. Step 4: Simplify right side
   496,111,763.48x = 210,784,734,264,846,240
5. Step 5: Solve for x
   x = 210,784,734,264,846,240/496,111,763.48
6. Step 6: Final answer
   x = 424,873,485.74