Finding the Fourth Proportional to 158,282,061.72, 237,072,297.72 and 121,620,593.40

Step by Step Solution

1. Step 1: Write the proportion equation
   158,282,061.72 : 237,072,297.72 = 121,620,593.40 : x
2. Step 2: Convert to fraction form
   158,282,061.72/237,072,297.72 = 121,620,593.40/x
3. Step 3: Cross multiply
   158,282,061.72x = 237,072,297.72 × 121,620,593.40
4. Step 4: Simplify right side
   158,282,061.72x = 28,832,873,527,407,868
5. Step 5: Solve for x
   x = 28,832,873,527,407,868/158,282,061.72
6. Step 6: Final answer
   x = 182,161,346.74