Finding the Fourth Proportional to 300,680,404.46, 451,021,447.47 and 93,449,117.63

Step by Step Solution

1. Step 1: Write the proportion equation
   300,680,404.46 : 451,021,447.47 = 93,449,117.63 : x
2. Step 2: Convert to fraction form
   300,680,404.46/451,021,447.47 = 93,449,117.63/x
3. Step 3: Cross multiply
   300,680,404.46x = 451,021,447.47 × 93,449,117.63
4. Step 4: Simplify right side
   300,680,404.46x = 42,147,556,296,021,792
5. Step 5: Solve for x
   x = 42,147,556,296,021,792/300,680,404.46
6. Step 6: Final answer
   x = 140,173,937.75