Finding the Fourth Proportional to 191,694.90, 287,595.69 and 83,633.72

Step by Step Solution

1. Step 1: Write the proportion equation
   191,694.90 : 287,595.69 = 83,633.72 : x
2. Step 2: Convert to fraction form
   191,694.90/287,595.69 = 83,633.72/x
3. Step 3: Cross multiply
   191,694.90x = 287,595.69 × 83,633.72
4. Step 4: Simplify right side
   191,694.90x = 24,052,696,482.59
5. Step 5: Solve for x
   x = 24,052,696,482.59/191,694.90
6. Step 6: Final answer
   x = 125,473.85