Finding the Fourth Proportional to 152,455.37, 210,403.98 and 87,927.12

Step by Step Solution

1. Step 1: Write the proportion equation
   152,455.37 : 210,403.98 = 87,927.12 : x
2. Step 2: Convert to fraction form
   152,455.37/210,403.98 = 87,927.12/x
3. Step 3: Cross multiply
   152,455.37x = 210,403.98 × 87,927.12
4. Step 4: Simplify right side
   152,455.37x = 18,500,215,997.94
5. Step 5: Solve for x
   x = 18,500,215,997.94/152,455.37
6. Step 6: Final answer
   x = 121,348.41