Finding the Fourth Proportional to 56,225, 77,589.46 and 31,073.96

Step by Step Solution

1. Step 1: Write the proportion equation
   56,225 : 77,589.46 = 31,073.96 : x
2. Step 2: Convert to fraction form
   56,225/77,589.46 = 31,073.96/x
3. Step 3: Cross multiply
   56,225x = 77,589.46 × 31,073.96
4. Step 4: Simplify right side
   56,225x = 2,411,011,776.46
5. Step 5: Solve for x
   x = 2,411,011,776.46/56,225
6. Step 6: Final answer
   x = 42,881.49