Finding the Fourth Proportional to 148,018.72, 221,994.59 and 67,979.74

Step by Step Solution

1. Step 1: Write the proportion equation
   148,018.72 : 221,994.59 = 67,979.74 : x
2. Step 2: Convert to fraction form
   148,018.72/221,994.59 = 67,979.74/x
3. Step 3: Cross multiply
   148,018.72x = 221,994.59 × 67,979.74
4. Step 4: Simplify right side
   148,018.72x = 15,091,134,509.61
5. Step 5: Solve for x
   x = 15,091,134,509.61/148,018.72
6. Step 6: Final answer
   x = 101,954.23