Finding the Fourth Proportional to 56,196.96, 77,545.20 and 31,044.96

Step by Step Solution

1. Step 1: Write the proportion equation
   56,196.96 : 77,545.20 = 31,044.96 : x
2. Step 2: Convert to fraction form
   56,196.96/77,545.20 = 31,044.96/x
3. Step 3: Cross multiply
   56,196.96x = 77,545.20 × 31,044.96
4. Step 4: Simplify right side
   56,196.96x = 2,407,387,632.19
5. Step 5: Solve for x
   x = 2,407,387,632.19/56,196.96
6. Step 6: Final answer
   x = 42,838.40