Finding the Fourth Proportional to 152,262.28, 210,116.56 and 84,279.38

Step by Step Solution

1. Step 1: Write the proportion equation
   152,262.28 : 210,116.56 = 84,279.38 : x
2. Step 2: Convert to fraction form
   152,262.28/210,116.56 = 84,279.38/x
3. Step 3: Cross multiply
   152,262.28x = 210,116.56 × 84,279.38
4. Step 4: Simplify right side
   152,262.28x = 17,708,493,404.53
5. Step 5: Solve for x
   x = 17,708,493,404.53/152,262.28
6. Step 6: Final answer
   x = 116,302.56