Finding the Fourth Proportional to 112,663.88, 155,474.87 and 61,676.00

Step by Step Solution

1. Step 1: Write the proportion equation
   112,663.88 : 155,474.87 = 61,676.00 : x
2. Step 2: Convert to fraction form
   112,663.88/155,474.87 = 61,676.00/x
3. Step 3: Cross multiply
   112,663.88x = 155,474.87 × 61,676.00
4. Step 4: Simplify right side
   112,663.88x = 9,589,066,996.37
5. Step 5: Solve for x
   x = 9,589,066,996.37/112,663.88
6. Step 6: Final answer
   x = 85,112.17