Finding the Fourth Proportional to 627,900,096.75, 866,493,669.83 and 349,441,546.47

Step by Step Solution

1. Step 1: Write the proportion equation
   627,900,096.75 : 866,493,669.83 = 349,441,546.47 : x
2. Step 2: Convert to fraction form
   627,900,096.75/866,493,669.83 = 349,441,546.47/x
3. Step 3: Cross multiply
   627,900,096.75x = 866,493,669.83 × 349,441,546.47
4. Step 4: Simplify right side
   627,900,096.75x = 302,788,887,990,113,600
5. Step 5: Solve for x
   x = 302,788,887,990,113,600/627,900,096.75
6. Step 6: Final answer
   x = 482,224,623.88