Finding the Fourth Proportional to 152,297,925.69, 209,968,147.31 and 121,040,349.69

Step by Step Solution

1. Step 1: Write the proportion equation
   152,297,925.69 : 209,968,147.31 = 121,040,349.69 : x
2. Step 2: Convert to fraction form
   152,297,925.69/209,968,147.31 = 121,040,349.69/x
3. Step 3: Cross multiply
   152,297,925.69x = 209,968,147.31 × 121,040,349.69
4. Step 4: Simplify right side
   152,297,925.69x = 25,414,617,973,558,632
5. Step 5: Solve for x
   x = 25,414,617,973,558,632/152,297,925.69
6. Step 6: Final answer
   x = 166,874,354.06