Finding the Fourth Proportional to 105,415.03, 158,012.38 and 46,200.79

Step by Step Solution

1. Step 1: Write the proportion equation
   105,415.03 : 158,012.38 = 46,200.79 : x
2. Step 2: Convert to fraction form
   105,415.03/158,012.38 = 46,200.79/x
3. Step 3: Cross multiply
   105,415.03x = 158,012.38 × 46,200.79
4. Step 4: Simplify right side
   105,415.03x = 7,300,296,275.25
5. Step 5: Solve for x
   x = 7,300,296,275.25/105,415.03
6. Step 6: Final answer
   x = 69,252.90