Finding the Fourth Proportional to 443,824,810.14, 612,329,900.46 and 258,146,410.62

Step by Step Solution

1. Step 1: Write the proportion equation
   443,824,810.14 : 612,329,900.46 = 258,146,410.62 : x
2. Step 2: Convert to fraction form
   443,824,810.14/612,329,900.46 = 258,146,410.62/x
3. Step 3: Cross multiply
   443,824,810.14x = 612,329,900.46 × 258,146,410.62
4. Step 4: Simplify right side
   443,824,810.14x = 158,070,765,919,050,912
5. Step 5: Solve for x
   x = 158,070,765,919,050,912/443,824,810.14
6. Step 6: Final answer
   x = 356,155,767.56