Finding the Fourth Proportional to 202,105.82, 278,899.50 and 111,465.62

Step by Step Solution

1. Step 1: Write the proportion equation
   202,105.82 : 278,899.50 = 111,465.62 : x
2. Step 2: Convert to fraction form
   202,105.82/278,899.50 = 111,465.62/x
3. Step 3: Cross multiply
   202,105.82x = 278,899.50 × 111,465.62
4. Step 4: Simplify right side
   202,105.82x = 31,087,705,685.19
5. Step 5: Solve for x
   x = 31,087,705,685.19/202,105.82
6. Step 6: Final answer
   x = 153,818.95