Finding the Fourth Proportional to 123,741.15, 185,617.80 and 64,692.15

Step by Step Solution

1. Step 1: Write the proportion equation
   123,741.15 : 185,617.80 = 64,692.15 : x
2. Step 2: Convert to fraction form
   123,741.15/185,617.80 = 64,692.15/x
3. Step 3: Cross multiply
   123,741.15x = 185,617.80 × 64,692.15
4. Step 4: Simplify right side
   123,741.15x = 12,008,014,560.27
5. Step 5: Solve for x
   x = 12,008,014,560.27/123,741.15
6. Step 6: Final answer
   x = 97,041.40