Finding the Fourth Proportional to 56,243, 77,616.96 and 31,094.12

Step by Step Solution

1. Step 1: Write the proportion equation
   56,243 : 77,616.96 = 31,094.12 : x
2. Step 2: Convert to fraction form
   56,243/77,616.96 = 31,094.12/x
3. Step 3: Cross multiply
   56,243x = 77,616.96 × 31,094.12
4. Step 4: Simplify right side
   56,243x = 2,413,431,068.28
5. Step 5: Solve for x
   x = 2,413,431,068.28/56,243
6. Step 6: Final answer
   x = 42,910.78