Finding the Fourth Proportional to 56,152.68, 77,484.42 and 30,995.88

Step by Step Solution

1. Step 1: Write the proportion equation
   56,152.68 : 77,484.42 = 30,995.88 : x
2. Step 2: Convert to fraction form
   56,152.68/77,484.42 = 30,995.88/x
3. Step 3: Cross multiply
   56,152.68x = 77,484.42 × 30,995.88
4. Step 4: Simplify right side
   56,152.68x = 2,401,697,784.19
5. Step 5: Solve for x
   x = 2,401,697,784.19/56,152.68
6. Step 6: Final answer
   x = 42,770.85