Finding the Fourth Proportional to 202,141.94, 278,951.00 and 111,495.96

Step by Step Solution

1. Step 1: Write the proportion equation
   202,141.94 : 278,951.00 = 111,495.96 : x
2. Step 2: Convert to fraction form
   202,141.94/278,951.00 = 111,495.96/x
3. Step 3: Cross multiply
   202,141.94x = 278,951.00 × 111,495.96
4. Step 4: Simplify right side
   202,141.94x = 31,101,908,980.48
5. Step 5: Solve for x
   x = 31,101,908,980.48/202,141.94
6. Step 6: Final answer
   x = 153,861.73