Finding the Fourth Proportional to 142,037.93, 196,012.22 and 91,050.63

Step by Step Solution

1. Step 1: Write the proportion equation
   142,037.93 : 196,012.22 = 91,050.63 : x
2. Step 2: Convert to fraction form
   142,037.93/196,012.22 = 91,050.63/x
3. Step 3: Cross multiply
   142,037.93x = 196,012.22 × 91,050.63
4. Step 4: Simplify right side
   142,037.93x = 17,847,035,663.45
5. Step 5: Solve for x
   x = 17,847,035,663.45/142,037.93
6. Step 6: Final answer
   x = 125,649.79