Finding the Fourth Proportional to 56,169.54, 77,513.91 and 31,018.98

Step by Step Solution

1. Step 1: Write the proportion equation
   56,169.54 : 77,513.91 = 31,018.98 : x
2. Step 2: Convert to fraction form
   56,169.54/77,513.91 = 31,018.98/x
3. Step 3: Cross multiply
   56,169.54x = 77,513.91 × 31,018.98
4. Step 4: Simplify right side
   56,169.54x = 2,404,402,424.01
5. Step 5: Solve for x
   x = 2,404,402,424.01/56,169.54
6. Step 6: Final answer
   x = 42,806.16