Finding the Fourth Proportional to 144,567.69, 216,734.67 and 60,392.34

Step by Step Solution

1. Step 1: Write the proportion equation
   144,567.69 : 216,734.67 = 60,392.34 : x
2. Step 2: Convert to fraction form
   144,567.69/216,734.67 = 60,392.34/x
3. Step 3: Cross multiply
   144,567.69x = 216,734.67 × 60,392.34
4. Step 4: Simplify right side
   144,567.69x = 13,089,113,880.43
5. Step 5: Solve for x
   x = 13,089,113,880.43/144,567.69
6. Step 6: Final answer
   x = 90,539.69