Finding the Fourth Proportional to 667,848,499.50, 1,001,841,393.69 and 231,148,470.72

Step by Step Solution

1. Step 1: Write the proportion equation
   667,848,499.50 : 1,001,841,393.69 = 231,148,470.72 : x
2. Step 2: Convert to fraction form
   667,848,499.50/1,001,841,393.69 = 231,148,470.72/x
3. Step 3: Cross multiply
   667,848,499.50x = 1,001,841,393.69 × 231,148,470.72
4. Step 4: Simplify right side
   667,848,499.50x = 231,574,106,055,436,960
5. Step 5: Solve for x
   x = 231,574,106,055,436,960/667,848,499.50
6. Step 6: Final answer
   x = 346,746,464.55