Finding the Fourth Proportional to 191,495.48, 287,158.28 and 73,084.01

Step by Step Solution

1. Step 1: Write the proportion equation
   191,495.48 : 287,158.28 = 73,084.01 : x
2. Step 2: Convert to fraction form
   191,495.48/287,158.28 = 73,084.01/x
3. Step 3: Cross multiply
   191,495.48x = 287,158.28 × 73,084.01
4. Step 4: Simplify right side
   191,495.48x = 20,986,676,805.89
5. Step 5: Solve for x
   x = 20,986,676,805.89/191,495.48
6. Step 6: Final answer
   x = 109,593.59