Finding the Fourth Proportional to 155,150.42, 232,720.97 and 42,837.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,150.42 : 232,720.97 = 42,837.50 : x
2. Step 2: Convert to fraction form
   155,150.42/232,720.97 = 42,837.50/x
3. Step 3: Cross multiply
   155,150.42x = 232,720.97 × 42,837.50
4. Step 4: Simplify right side
   155,150.42x = 9,969,183,495.86
5. Step 5: Solve for x
   x = 9,969,183,495.86/155,150.42
6. Step 6: Final answer
   x = 64,254.96