Finding the Fourth Proportional to 76,092.62, 105,005.16 and 42,100.56

Step by Step Solution

1. Step 1: Write the proportion equation
   76,092.62 : 105,005.16 = 42,100.56 : x
2. Step 2: Convert to fraction form
   76,092.62/105,005.16 = 42,100.56/x
3. Step 3: Cross multiply
   76,092.62x = 105,005.16 × 42,100.56
4. Step 4: Simplify right side
   76,092.62x = 4,420,776,038.89
5. Step 5: Solve for x
   x = 4,420,776,038.89/76,092.62
6. Step 6: Final answer
   x = 58,097.31