Finding the Fourth Proportional to 297,404.16, 445,173.12 and 156,736.32

Step by Step Solution

1. Step 1: Write the proportion equation
   297,404.16 : 445,173.12 = 156,736.32 : x
2. Step 2: Convert to fraction form
   297,404.16/445,173.12 = 156,736.32/x
3. Step 3: Cross multiply
   297,404.16x = 445,173.12 × 156,736.32
4. Step 4: Simplify right side
   297,404.16x = 69,774,796,591.72
5. Step 5: Solve for x
   x = 69,774,796,591.72/297,404.16
6. Step 6: Final answer
   x = 234,612.71