Finding the Fourth Proportional to 151,274.76, 208,751.88 and 83,290.32

Step by Step Solution

1. Step 1: Write the proportion equation
   151,274.76 : 208,751.88 = 83,290.32 : x
2. Step 2: Convert to fraction form
   151,274.76/208,751.88 = 83,290.32/x
3. Step 3: Cross multiply
   151,274.76x = 208,751.88 × 83,290.32
4. Step 4: Simplify right side
   151,274.76x = 17,387,010,885.80
5. Step 5: Solve for x
   x = 17,387,010,885.80/151,274.76
6. Step 6: Final answer
   x = 114,936.63