Finding the Fourth Proportional to 105,748.41, 158,585.73 and 42,552.18

Step by Step Solution

1. Step 1: Write the proportion equation
   105,748.41 : 158,585.73 = 42,552.18 : x
2. Step 2: Convert to fraction form
   105,748.41/158,585.73 = 42,552.18/x
3. Step 3: Cross multiply
   105,748.41x = 158,585.73 × 42,552.18
4. Step 4: Simplify right side
   105,748.41x = 6,748,168,528.39
5. Step 5: Solve for x
   x = 6,748,168,528.39/105,748.41
6. Step 6: Final answer
   x = 63,813.43