Finding the Fourth Proportional to 155,145.09, 232,713 and 42,832.16

Step by Step Solution

1. Step 1: Write the proportion equation
   155,145.09 : 232,713 = 42,832.16 : x
2. Step 2: Convert to fraction form
   155,145.09/232,713 = 42,832.16/x
3. Step 3: Cross multiply
   155,145.09x = 232,713 × 42,832.16
4. Step 4: Simplify right side
   155,145.09x = 9,967,601,031.86
5. Step 5: Solve for x
   x = 9,967,601,031.86/155,145.09
6. Step 6: Final answer
   x = 64,246.96