Finding the Fourth Proportional to 120,023.30, 180,147.94 and 60,901.40

Step by Step Solution

1. Step 1: Write the proportion equation
   120,023.30 : 180,147.94 = 60,901.40 : x
2. Step 2: Convert to fraction form
   120,023.30/180,147.94 = 60,901.40/x
3. Step 3: Cross multiply
   120,023.30x = 180,147.94 × 60,901.40
4. Step 4: Simplify right side
   120,023.30x = 10,971,262,051.23
5. Step 5: Solve for x
   x = 10,971,262,051.23/120,023.30
6. Step 6: Final answer
   x = 91,409.43