Finding the Fourth Proportional to 142,033.04, 196,005.50 and 91,045.75

Step by Step Solution

1. Step 1: Write the proportion equation
   142,033.04 : 196,005.50 = 91,045.75 : x
2. Step 2: Convert to fraction form
   142,033.04/196,005.50 = 91,045.75/x
3. Step 3: Cross multiply
   142,033.04x = 196,005.50 × 91,045.75
4. Step 4: Simplify right side
   142,033.04x = 17,845,466,707.98
5. Step 5: Solve for x
   x = 17,845,466,707.98/142,033.04
6. Step 6: Final answer
   x = 125,643.06