Finding the Fourth Proportional to 89,172.68, 123,058.02 and 48,888.12

Step by Step Solution

1. Step 1: Write the proportion equation
   89,172.68 : 123,058.02 = 48,888.12 : x
2. Step 2: Convert to fraction form
   89,172.68/123,058.02 = 48,888.12/x
3. Step 3: Cross multiply
   89,172.68x = 123,058.02 × 48,888.12
4. Step 4: Simplify right side
   89,172.68x = 6,016,075,248.72
5. Step 5: Solve for x
   x = 6,016,075,248.72/89,172.68
6. Step 6: Final answer
   x = 67,465.45