Finding the Fourth Proportional to 54,969.86, 75,860.10 and 31,096.10

Step by Step Solution

1. Step 1: Write the proportion equation
   54,969.86 : 75,860.10 = 31,096.10 : x
2. Step 2: Convert to fraction form
   54,969.86/75,860.10 = 31,096.10/x
3. Step 3: Cross multiply
   54,969.86x = 75,860.10 × 31,096.10
4. Step 4: Simplify right side
   54,969.86x = 2,358,953,255.61
5. Step 5: Solve for x
   x = 2,358,953,255.61/54,969.86
6. Step 6: Final answer
   x = 42,913.58