Finding the Fourth Proportional to 112,692.33, 155,519.61 and 64,302.14

Step by Step Solution

1. Step 1: Write the proportion equation
   112,692.33 : 155,519.61 = 64,302.14 : x
2. Step 2: Convert to fraction form
   112,692.33/155,519.61 = 64,302.14/x
3. Step 3: Cross multiply
   112,692.33x = 155,519.61 × 64,302.14
4. Step 4: Simplify right side
   112,692.33x = 10,000,243,007.83
5. Step 5: Solve for x
   x = 10,000,243,007.83/112,692.33
6. Step 6: Final answer
   x = 88,739.34