Finding the Fourth Proportional to 300,456,090.15, 450,097,474.17 and 207,066,378.41

Step by Step Solution

1. Step 1: Write the proportion equation
   300,456,090.15 : 450,097,474.17 = 207,066,378.41 : x
2. Step 2: Convert to fraction form
   300,456,090.15/450,097,474.17 = 207,066,378.41/x
3. Step 3: Cross multiply
   300,456,090.15x = 450,097,474.17 × 207,066,378.41
4. Step 4: Simplify right side
   300,456,090.15x = 93,200,053,908,084,288
5. Step 5: Solve for x
   x = 93,200,053,908,084,288/300,456,090.15
6. Step 6: Final answer
   x = 310,195,256.36