Finding the Fourth Proportional to 100,337.94, 138,460.59 and 55,007.10

Step by Step Solution

1. Step 1: Write the proportion equation
   100,337.94 : 138,460.59 = 55,007.10 : x
2. Step 2: Convert to fraction form
   100,337.94/138,460.59 = 55,007.10/x
3. Step 3: Cross multiply
   100,337.94x = 138,460.59 × 55,007.10
4. Step 4: Simplify right side
   100,337.94x = 7,616,315,520.19
5. Step 5: Solve for x
   x = 7,616,315,520.19/100,337.94
6. Step 6: Final answer
   x = 75,906.64