Finding the Fourth Proportional to 107,692.53, 148,613.23 and 67,428.50

Step by Step Solution

1. Step 1: Write the proportion equation
   107,692.53 : 148,613.23 = 67,428.50 : x
2. Step 2: Convert to fraction form
   107,692.53/148,613.23 = 67,428.50/x
3. Step 3: Cross multiply
   107,692.53x = 148,613.23 × 67,428.50
4. Step 4: Simplify right side
   107,692.53x = 10,020,767,127.89
5. Step 5: Solve for x
   x = 10,020,767,127.89/107,692.53
6. Step 6: Final answer
   x = 93,049.78