Finding the Fourth Proportional to 119,978.88, 179,990.18 and 60,038.68

Step by Step Solution

1. Step 1: Write the proportion equation
   119,978.88 : 179,990.18 = 60,038.68 : x
2. Step 2: Convert to fraction form
   119,978.88/179,990.18 = 60,038.68/x
3. Step 3: Cross multiply
   119,978.88x = 179,990.18 × 60,038.68
4. Step 4: Simplify right side
   119,978.88x = 10,806,372,820.16
5. Step 5: Solve for x
   x = 10,806,372,820.16/119,978.88
6. Step 6: Final answer
   x = 90,068.96