Finding the Fourth Proportional to 76,038.16, 104,923.50 and 42,042.06

Step by Step Solution

1. Step 1: Write the proportion equation
   76,038.16 : 104,923.50 = 42,042.06 : x
2. Step 2: Convert to fraction form
   76,038.16/104,923.50 = 42,042.06/x
3. Step 3: Cross multiply
   76,038.16x = 104,923.50 × 42,042.06
4. Step 4: Simplify right side
   76,038.16x = 4,411,200,082.41
5. Step 5: Solve for x
   x = 4,411,200,082.41/76,038.16
6. Step 6: Final answer
   x = 58,012.98