Finding the Fourth Proportional to 191,331.84, 286,974.72 and 111,414.72

Step by Step Solution

1. Step 1: Write the proportion equation
   191,331.84 : 286,974.72 = 111,414.72 : x
2. Step 2: Convert to fraction form
   191,331.84/286,974.72 = 111,414.72/x
3. Step 3: Cross multiply
   191,331.84x = 286,974.72 × 111,414.72
4. Step 4: Simplify right side
   191,331.84x = 31,973,208,075.88
5. Step 5: Solve for x
   x = 31,973,208,075.88/191,331.84
6. Step 6: Final answer
   x = 167,108.66