Finding the Fourth Proportional to 56,146.08, 77,479.56 and 30,995.04

Step by Step Solution

1. Step 1: Write the proportion equation
   56,146.08 : 77,479.56 = 30,995.04 : x
2. Step 2: Convert to fraction form
   56,146.08/77,479.56 = 30,995.04/x
3. Step 3: Cross multiply
   56,146.08x = 77,479.56 × 30,995.04
4. Step 4: Simplify right side
   56,146.08x = 2,401,482,061.38
5. Step 5: Solve for x
   x = 2,401,482,061.38/56,146.08
6. Step 6: Final answer
   x = 42,772.03