Finding the Fourth Proportional to 73,936.48, 102,038.16 and 42,106.72

Step by Step Solution

1. Step 1: Write the proportion equation
   73,936.48 : 102,038.16 = 42,106.72 : x
2. Step 2: Convert to fraction form
   73,936.48/102,038.16 = 42,106.72/x
3. Step 3: Cross multiply
   73,936.48x = 102,038.16 × 42,106.72
4. Step 4: Simplify right side
   73,936.48x = 4,296,492,232.44
5. Step 5: Solve for x
   x = 4,296,492,232.44/73,936.48
6. Step 6: Final answer
   x = 58,110.59