Finding the Fourth Proportional to 152,362.56, 210,212.68 and 88,688.48

Step by Step Solution

1. Step 1: Write the proportion equation
   152,362.56 : 210,212.68 = 88,688.48 : x
2. Step 2: Convert to fraction form
   152,362.56/210,212.68 = 88,688.48/x
3. Step 3: Cross multiply
   152,362.56x = 210,212.68 × 88,688.48
4. Step 4: Simplify right side
   152,362.56x = 18,643,443,065.93
5. Step 5: Solve for x
   x = 18,643,443,065.93/152,362.56
6. Step 6: Final answer
   x = 122,362.36