Finding the Fourth Proportional to 74,690.98, 112,061.16 and 27,320.56

Step by Step Solution

1. Step 1: Write the proportion equation
   74,690.98 : 112,061.16 = 27,320.56 : x
2. Step 2: Convert to fraction form
   74,690.98/112,061.16 = 27,320.56/x
3. Step 3: Cross multiply
   74,690.98x = 112,061.16 × 27,320.56
4. Step 4: Simplify right side
   74,690.98x = 3,061,573,645.45
5. Step 5: Solve for x
   x = 3,061,573,645.45/74,690.98
6. Step 6: Final answer
   x = 40,989.87