Finding the Fourth Proportional to 339,892,596.16, 469,024,952.81 and 191,184,111.25

Step by Step Solution

1. Step 1: Write the proportion equation
   339,892,596.16 : 469,024,952.81 = 191,184,111.25 : x
2. Step 2: Convert to fraction form
   339,892,596.16/469,024,952.81 = 191,184,111.25/x
3. Step 3: Cross multiply
   339,892,596.16x = 469,024,952.81 × 191,184,111.25
4. Step 4: Simplify right side
   339,892,596.16x = 89,670,118,754,924,560
5. Step 5: Solve for x
   x = 89,670,118,754,924,560/339,892,596.16
6. Step 6: Final answer
   x = 263,818,982.14