Finding the Fourth Proportional to 442,868,404.10, 664,302,606.15 and 151,638,736.10

Step by Step Solution

1. Step 1: Write the proportion equation
   442,868,404.10 : 664,302,606.15 = 151,638,736.10 : x
2. Step 2: Convert to fraction form
   442,868,404.10/664,302,606.15 = 151,638,736.10/x
3. Step 3: Cross multiply
   442,868,404.10x = 664,302,606.15 × 151,638,736.10
4. Step 4: Simplify right side
   442,868,404.10x = 100,734,007,584,522,080
5. Step 5: Solve for x
   x = 100,734,007,584,522,080/442,868,404.10
6. Step 6: Final answer
   x = 227,458,104.15