Finding the Fourth Proportional to 175,185.43, 261,818.15 and 127,900.10

Step by Step Solution

1. Step 1: Write the proportion equation
   175,185.43 : 261,818.15 = 127,900.10 : x
2. Step 2: Convert to fraction form
   175,185.43/261,818.15 = 127,900.10/x
3. Step 3: Cross multiply
   175,185.43x = 261,818.15 × 127,900.10
4. Step 4: Simplify right side
   175,185.43x = 33,486,567,566.82
5. Step 5: Solve for x
   x = 33,486,567,566.82/175,185.43
6. Step 6: Final answer
   x = 191,149.27