Finding the Fourth Proportional to 112,061.81, 168,105.02 and 55,916.05

Step by Step Solution

1. Step 1: Write the proportion equation
   112,061.81 : 168,105.02 = 55,916.05 : x
2. Step 2: Convert to fraction form
   112,061.81/168,105.02 = 55,916.05/x
3. Step 3: Cross multiply
   112,061.81x = 168,105.02 × 55,916.05
4. Step 4: Simplify right side
   112,061.81x = 9,399,768,703.57
5. Step 5: Solve for x
   x = 9,399,768,703.57/112,061.81
6. Step 6: Final answer
   x = 83,880.21