Finding the Fourth Proportional to 120,071.06, 180,100.06 and 60,905.18

Step by Step Solution

1. Step 1: Write the proportion equation
   120,071.06 : 180,100.06 = 60,905.18 : x
2. Step 2: Convert to fraction form
   120,071.06/180,100.06 = 60,905.18/x
3. Step 3: Cross multiply
   120,071.06x = 180,100.06 × 60,905.18
4. Step 4: Simplify right side
   120,071.06x = 10,969,026,572.31
5. Step 5: Solve for x
   x = 10,969,026,572.31/120,071.06
6. Step 6: Final answer
   x = 91,354.46