Finding the Fourth Proportional to 77,401.32, 116,082.42 and 30,000.12

Step by Step Solution

1. Step 1: Write the proportion equation
   77,401.32 : 116,082.42 = 30,000.12 : x
2. Step 2: Convert to fraction form
   77,401.32/116,082.42 = 30,000.12/x
3. Step 3: Cross multiply
   77,401.32x = 116,082.42 × 30,000.12
4. Step 4: Simplify right side
   77,401.32x = 3,482,486,529.89
5. Step 5: Solve for x
   x = 3,482,486,529.89/77,401.32
6. Step 6: Final answer
   x = 44,992.60