Finding the Fourth Proportional to 152,281.56, 210,145.50 and 84,298.50

Step by Step Solution

1. Step 1: Write the proportion equation
   152,281.56 : 210,145.50 = 84,298.50 : x
2. Step 2: Convert to fraction form
   152,281.56/210,145.50 = 84,298.50/x
3. Step 3: Cross multiply
   152,281.56x = 210,145.50 × 84,298.50
4. Step 4: Simplify right side
   152,281.56x = 17,714,950,431.75
5. Step 5: Solve for x
   x = 17,714,950,431.75/152,281.56
6. Step 6: Final answer
   x = 116,330.24