Finding the Fourth Proportional to 446,820,973.42, 616,618,618.04 and 245,900,980.88

Step by Step Solution

1. Step 1: Write the proportion equation
   446,820,973.42 : 616,618,618.04 = 245,900,980.88 : x
2. Step 2: Convert to fraction form
   446,820,973.42/616,618,618.04 = 245,900,980.88/x
3. Step 3: Cross multiply
   446,820,973.42x = 616,618,618.04 × 245,900,980.88
4. Step 4: Simplify right side
   446,820,973.42x = 151,627,123,004,906,048
5. Step 5: Solve for x
   x = 151,627,123,004,906,048/446,820,973.42
6. Step 6: Final answer
   x = 339,346,476.61