Finding the Fourth Proportional to 219,963, 303,478.32 and 123,152.56

Step by Step Solution

1. Step 1: Write the proportion equation
   219,963 : 303,478.32 = 123,152.56 : x
2. Step 2: Convert to fraction form
   219,963/303,478.32 = 123,152.56/x
3. Step 3: Cross multiply
   219,963x = 303,478.32 × 123,152.56
4. Step 4: Simplify right side
   219,963x = 37,374,132,012.50
5. Step 5: Solve for x
   x = 37,374,132,012.50/219,963
6. Step 6: Final answer
   x = 169,910.99