Finding the Fourth Proportional to 152,789.34, 210,845.24 and 84,806.12

Step by Step Solution

1. Step 1: Write the proportion equation
   152,789.34 : 210,845.24 = 84,806.12 : x
2. Step 2: Convert to fraction form
   152,789.34/210,845.24 = 84,806.12/x
3. Step 3: Cross multiply
   152,789.34x = 210,845.24 × 84,806.12
4. Step 4: Simplify right side
   152,789.34x = 17,880,966,724.87
5. Step 5: Solve for x
   x = 17,880,966,724.87/152,789.34
6. Step 6: Final answer
   x = 117,030.20