Finding the Fourth Proportional to 108,005.61, 149,054.91 and 60,260.00

Step by Step Solution

1. Step 1: Write the proportion equation
   108,005.61 : 149,054.91 = 60,260.00 : x
2. Step 2: Convert to fraction form
   108,005.61/149,054.91 = 60,260.00/x
3. Step 3: Cross multiply
   108,005.61x = 149,054.91 × 60,260.00
4. Step 4: Simplify right side
   108,005.61x = 8,982,048,131.33
5. Step 5: Solve for x
   x = 8,982,048,131.33/108,005.61
6. Step 6: Final answer
   x = 83,162.79