Finding the Fourth Proportional to 152,788.37, 210,844.94 and 84,806.16

Step by Step Solution

1. Step 1: Write the proportion equation
   152,788.37 : 210,844.94 = 84,806.16 : x
2. Step 2: Convert to fraction form
   152,788.37/210,844.94 = 84,806.16/x
3. Step 3: Cross multiply
   152,788.37x = 210,844.94 × 84,806.16
4. Step 4: Simplify right side
   152,788.37x = 17,880,948,662.61
5. Step 5: Solve for x
   x = 17,880,948,662.61/152,788.37
6. Step 6: Final answer
   x = 117,030.83