Finding the Fourth Proportional to 123,145.95, 184,385.78 and 63,856.99

Step by Step Solution

1. Step 1: Write the proportion equation
   123,145.95 : 184,385.78 = 63,856.99 : x
2. Step 2: Convert to fraction form
   123,145.95/184,385.78 = 63,856.99/x
3. Step 3: Cross multiply
   123,145.95x = 184,385.78 × 63,856.99
4. Step 4: Simplify right side
   123,145.95x = 11,774,321,419.46
5. Step 5: Solve for x
   x = 11,774,321,419.46/123,145.95
6. Step 6: Final answer
   x = 95,612.73