Finding the Fourth Proportional to 77,111.13, 115,667.49 and 27,181.92

Step by Step Solution

1. Step 1: Write the proportion equation
   77,111.13 : 115,667.49 = 27,181.92 : x
2. Step 2: Convert to fraction form
   77,111.13/115,667.49 = 27,181.92/x
3. Step 3: Cross multiply
   77,111.13x = 115,667.49 × 27,181.92
4. Step 4: Simplify right side
   77,111.13x = 3,144,064,459.78
5. Step 5: Solve for x
   x = 3,144,064,459.78/77,111.13
6. Step 6: Final answer
   x = 40,773.16