Finding the Fourth Proportional to 56,499.18, 77,971.23 and 31,348.86

Step by Step Solution

1. Step 1: Write the proportion equation
   56,499.18 : 77,971.23 = 31,348.86 : x
2. Step 2: Convert to fraction form
   56,499.18/77,971.23 = 31,348.86/x
3. Step 3: Cross multiply
   56,499.18x = 77,971.23 × 31,348.86
4. Step 4: Simplify right side
   56,499.18x = 2,444,309,173.30
5. Step 5: Solve for x
   x = 2,444,309,173.30/56,499.18
6. Step 6: Final answer
   x = 43,262.74