Finding the Fourth Proportional to 190,142.60, 262,314.42 and 114,649.16

Step by Step Solution

1. Step 1: Write the proportion equation
   190,142.60 : 262,314.42 = 114,649.16 : x
2. Step 2: Convert to fraction form
   190,142.60/262,314.42 = 114,649.16/x
3. Step 3: Cross multiply
   190,142.60x = 262,314.42 × 114,649.16
4. Step 4: Simplify right side
   190,142.60x = 30,074,127,908.89
5. Step 5: Solve for x
   x = 30,074,127,908.89/190,142.60
6. Step 6: Final answer
   x = 158,166.18