Finding the Fourth Proportional to 56,945.63, 78,589.83 and 31,799.99

Step by Step Solution

1. Step 1: Write the proportion equation
   56,945.63 : 78,589.83 = 31,799.99 : x
2. Step 2: Convert to fraction form
   56,945.63/78,589.83 = 31,799.99/x
3. Step 3: Cross multiply
   56,945.63x = 78,589.83 × 31,799.99
4. Step 4: Simplify right side
   56,945.63x = 2,499,155,256.15
5. Step 5: Solve for x
   x = 2,499,155,256.15/56,945.63
6. Step 6: Final answer
   x = 43,886.69