Finding the Fourth Proportional to 108,290.16, 149,443.52 and 60,543.63

Step by Step Solution

1. Step 1: Write the proportion equation
   108,290.16 : 149,443.52 = 60,543.63 : x
2. Step 2: Convert to fraction form
   108,290.16/149,443.52 = 60,543.63/x
3. Step 3: Cross multiply
   108,290.16x = 149,443.52 × 60,543.63
4. Step 4: Simplify right side
   108,290.16x = 9,047,852,878.06
5. Step 5: Solve for x
   x = 9,047,852,878.06/108,290.16
6. Step 6: Final answer
   x = 83,551.94