Finding the Fourth Proportional to 56,176.29, 77,522.81 and 31,025.25

Step by Step Solution

1. Step 1: Write the proportion equation
   56,176.29 : 77,522.81 = 31,025.25 : x
2. Step 2: Convert to fraction form
   56,176.29/77,522.81 = 31,025.25/x
3. Step 3: Cross multiply
   56,176.29x = 77,522.81 × 31,025.25
4. Step 4: Simplify right side
   56,176.29x = 2,405,164,405.83
5. Step 5: Solve for x
   x = 2,405,164,405.83/56,176.29
6. Step 6: Final answer
   x = 42,814.58