Finding the Fourth Proportional to 56,648.04, 78,173.28 and 31,497

Step by Step Solution

1. Step 1: Write the proportion equation
   56,648.04 : 78,173.28 = 31,497 : x
2. Step 2: Convert to fraction form
   56,648.04/78,173.28 = 31,497/x
3. Step 3: Cross multiply
   56,648.04x = 78,173.28 × 31,497
4. Step 4: Simplify right side
   56,648.04x = 2,462,223,800.16
5. Step 5: Solve for x
   x = 2,462,223,800.16/56,648.04
6. Step 6: Final answer
   x = 43,465.30