Finding the Fourth Proportional to 73,036.98, 100,783.71 and 42,405.39

Step by Step Solution

1. Step 1: Write the proportion equation
   73,036.98 : 100,783.71 = 42,405.39 : x
2. Step 2: Convert to fraction form
   73,036.98/100,783.71 = 42,405.39/x
3. Step 3: Cross multiply
   73,036.98x = 100,783.71 × 42,405.39
4. Step 4: Simplify right side
   73,036.98x = 4,273,772,528.20
5. Step 5: Solve for x
   x = 4,273,772,528.20/73,036.98
6. Step 6: Final answer
   x = 58,515.19