Finding the Fourth Proportional to 56,587.32, 78,091.04 and 31,093.26

Step by Step Solution

1. Step 1: Write the proportion equation
   56,587.32 : 78,091.04 = 31,093.26 : x
2. Step 2: Convert to fraction form
   56,587.32/78,091.04 = 31,093.26/x
3. Step 3: Cross multiply
   56,587.32x = 78,091.04 × 31,093.26
4. Step 4: Simplify right side
   56,587.32x = 2,428,105,010.39
5. Step 5: Solve for x
   x = 2,428,105,010.39/56,587.32
6. Step 6: Final answer
   x = 42,908.99