Finding the Fourth Proportional to 112,042.51, 168,089.69 and 49,717.87

Step by Step Solution

1. Step 1: Write the proportion equation
   112,042.51 : 168,089.69 = 49,717.87 : x
2. Step 2: Convert to fraction form
   112,042.51/168,089.69 = 49,717.87/x
3. Step 3: Cross multiply
   112,042.51x = 168,089.69 × 49,717.87
4. Step 4: Simplify right side
   112,042.51x = 8,357,061,355.76
5. Step 5: Solve for x
   x = 8,357,061,355.76/112,042.51
6. Step 6: Final answer
   x = 74,588.31