Finding the Fourth Proportional to 300,776,147.82, 451,070,788.82 and 145,233,248.58

Step by Step Solution

1. Step 1: Write the proportion equation
   300,776,147.82 : 451,070,788.82 = 145,233,248.58 : x
2. Step 2: Convert to fraction form
   300,776,147.82/451,070,788.82 = 145,233,248.58/x
3. Step 3: Cross multiply
   300,776,147.82x = 451,070,788.82 × 145,233,248.58
4. Step 4: Simplify right side
   300,776,147.82x = 65,510,475,999,145,584
5. Step 5: Solve for x
   x = 65,510,475,999,145,584/300,776,147.82
6. Step 6: Final answer
   x = 217,804,757.70