Finding the Fourth Proportional to 144,374.56, 216,598.72 and 60,106.80

Step by Step Solution

1. Step 1: Write the proportion equation
   144,374.56 : 216,598.72 = 60,106.80 : x
2. Step 2: Convert to fraction form
   144,374.56/216,598.72 = 60,106.80/x
3. Step 3: Cross multiply
   144,374.56x = 216,598.72 × 60,106.80
4. Step 4: Simplify right side
   144,374.56x = 13,019,055,943.30
5. Step 5: Solve for x
   x = 13,019,055,943.30/144,374.56
6. Step 6: Final answer
   x = 90,175.55