Finding the Fourth Proportional to 146,191.50, 201,749.16 and 89,591.94

Step by Step Solution

1. Step 1: Write the proportion equation
   146,191.50 : 201,749.16 = 89,591.94 : x
2. Step 2: Convert to fraction form
   146,191.50/201,749.16 = 89,591.94/x
3. Step 3: Cross multiply
   146,191.50x = 201,749.16 × 89,591.94
4. Step 4: Simplify right side
   146,191.50x = 18,075,098,637.77
5. Step 5: Solve for x
   x = 18,075,098,637.77/146,191.50
6. Step 6: Final answer
   x = 123,639.87