Finding the Fourth Proportional to 199,985, 275,985.06 and 110,566.76

Step by Step Solution

1. Step 1: Write the proportion equation
   199,985 : 275,985.06 = 110,566.76 : x
2. Step 2: Convert to fraction form
   199,985/275,985.06 = 110,566.76/x
3. Step 3: Cross multiply
   199,985x = 275,985.06 × 110,566.76
4. Step 4: Simplify right side
   199,985x = 30,514,773,892.61
5. Step 5: Solve for x
   x = 30,514,773,892.61/199,985
6. Step 6: Final answer
   x = 152,585.31