Finding the Fourth Proportional to 105,019.30, 157,538.76 and 41,824.18

Step by Step Solution

1. Step 1: Write the proportion equation
   105,019.30 : 157,538.76 = 41,824.18 : x
2. Step 2: Convert to fraction form
   105,019.30/157,538.76 = 41,824.18/x
3. Step 3: Cross multiply
   105,019.30x = 157,538.76 × 41,824.18
4. Step 4: Simplify right side
   105,019.30x = 6,588,929,455.22
5. Step 5: Solve for x
   x = 6,588,929,455.22/105,019.30
6. Step 6: Final answer
   x = 62,740.18