Finding the Fourth Proportional to 120,106.99, 179,898.04 and 60,840.91

Step by Step Solution

1. Step 1: Write the proportion equation
   120,106.99 : 179,898.04 = 60,840.91 : x
2. Step 2: Convert to fraction form
   120,106.99/179,898.04 = 60,840.91/x
3. Step 3: Cross multiply
   120,106.99x = 179,898.04 × 60,840.91
4. Step 4: Simplify right side
   120,106.99x = 10,945,160,460.82
5. Step 5: Solve for x
   x = 10,945,160,460.82/120,106.99
6. Step 6: Final answer
   x = 91,128.42