Finding the Fourth Proportional to 108,456, 149,667.72 and 60,709.32

Step by Step Solution

1. Step 1: Write the proportion equation
   108,456 : 149,667.72 = 60,709.32 : x
2. Step 2: Convert to fraction form
   108,456/149,667.72 = 60,709.32/x
3. Step 3: Cross multiply
   108,456x = 149,667.72 × 60,709.32
4. Step 4: Simplify right side
   108,456x = 9,086,225,507.15
5. Step 5: Solve for x
   x = 9,086,225,507.15/108,456
6. Step 6: Final answer
   x = 83,777.99