Finding the Fourth Proportional to 104,917.93, 157,423.37 and 54,986.10

Step by Step Solution

1. Step 1: Write the proportion equation
   104,917.93 : 157,423.37 = 54,986.10 : x
2. Step 2: Convert to fraction form
   104,917.93/157,423.37 = 54,986.10/x
3. Step 3: Cross multiply
   104,917.93x = 157,423.37 × 54,986.10
4. Step 4: Simplify right side
   104,917.93x = 8,656,097,870.72
5. Step 5: Solve for x
   x = 8,656,097,870.72/104,917.93
6. Step 6: Final answer
   x = 82,503.51