Finding the Fourth Proportional to 339,892,596.66, 469,024,953.50 and 191,184,111.75

Step by Step Solution

1. Step 1: Write the proportion equation
   339,892,596.66 : 469,024,953.50 = 191,184,111.75 : x
2. Step 2: Convert to fraction form
   339,892,596.66/469,024,953.50 = 191,184,111.75/x
3. Step 3: Cross multiply
   339,892,596.66x = 469,024,953.50 × 191,184,111.75
4. Step 4: Simplify right side
   339,892,596.66x = 89,670,119,122,526,640
5. Step 5: Solve for x
   x = 89,670,119,122,526,640/339,892,596.66
6. Step 6: Final answer
   x = 263,818,982.83