Finding the Fourth Proportional to 73,129.39, 100,928.58 and 42,084.00

Step by Step Solution

1. Step 1: Write the proportion equation
   73,129.39 : 100,928.58 = 42,084.00 : x
2. Step 2: Convert to fraction form
   73,129.39/100,928.58 = 42,084.00/x
3. Step 3: Cross multiply
   73,129.39x = 100,928.58 × 42,084.00
4. Step 4: Simplify right side
   73,129.39x = 4,247,478,244.54
5. Step 5: Solve for x
   x = 4,247,478,244.54/73,129.39
6. Step 6: Final answer
   x = 58,081.68