Finding the Fourth Proportional to 142,051.02, 195,947.73 and 91,045.68

Step by Step Solution

1. Step 1: Write the proportion equation
   142,051.02 : 195,947.73 = 91,045.68 : x
2. Step 2: Convert to fraction form
   142,051.02/195,947.73 = 91,045.68/x
3. Step 3: Cross multiply
   142,051.02x = 195,947.73 × 91,045.68
4. Step 4: Simplify right side
   142,051.02x = 17,840,194,322.31
5. Step 5: Solve for x
   x = 17,840,194,322.31/142,051.02
6. Step 6: Final answer
   x = 125,590.05