Finding the Fourth Proportional to 638,740,592.56, 881,461,400.52 and 345,384,460.72

Step by Step Solution

1. Step 1: Write the proportion equation
   638,740,592.56 : 881,461,400.52 = 345,384,460.72 : x
2. Step 2: Convert to fraction form
   638,740,592.56/881,461,400.52 = 345,384,460.72/x
3. Step 3: Cross multiply
   638,740,592.56x = 881,461,400.52 × 345,384,460.72
4. Step 4: Simplify right side
   638,740,592.56x = 304,443,070,464,096,128
5. Step 5: Solve for x
   x = 304,443,070,464,096,128/638,740,592.56
6. Step 6: Final answer
   x = 476,630,222.05