Finding the Fourth Proportional to 141,419.84, 195,189.06 and 89,703.50

Step by Step Solution

1. Step 1: Write the proportion equation
   141,419.84 : 195,189.06 = 89,703.50 : x
2. Step 2: Convert to fraction form
   141,419.84/195,189.06 = 89,703.50/x
3. Step 3: Cross multiply
   141,419.84x = 195,189.06 × 89,703.50
4. Step 4: Simplify right side
   141,419.84x = 17,509,141,843.71
5. Step 5: Solve for x
   x = 17,509,141,843.71/141,419.84
6. Step 6: Final answer
   x = 123,809.66