Finding the Fourth Proportional to 56,346.72, 77,758.56 and 31,195.68

Step by Step Solution

1. Step 1: Write the proportion equation
   56,346.72 : 77,758.56 = 31,195.68 : x
2. Step 2: Convert to fraction form
   56,346.72/77,758.56 = 31,195.68/x
3. Step 3: Cross multiply
   56,346.72x = 77,758.56 × 31,195.68
4. Step 4: Simplify right side
   56,346.72x = 2,425,731,155.02
5. Step 5: Solve for x
   x = 2,425,731,155.02/56,346.72
6. Step 6: Final answer
   x = 43,050.09