Finding the Fourth Proportional to 140,543.30, 193,818.32 and 111,958.00

Step by Step Solution

1. Step 1: Write the proportion equation
   140,543.30 : 193,818.32 = 111,958.00 : x
2. Step 2: Convert to fraction form
   140,543.30/193,818.32 = 111,958.00/x
3. Step 3: Cross multiply
   140,543.30x = 193,818.32 × 111,958.00
4. Step 4: Simplify right side
   140,543.30x = 21,699,510,846.07
5. Step 5: Solve for x
   x = 21,699,510,846.07/140,543.30
6. Step 6: Final answer
   x = 154,397.33