Finding the Fourth Proportional to 56,585.92, 78,089.86 and 31,093.84

Step by Step Solution

1. Step 1: Write the proportion equation
   56,585.92 : 78,089.86 = 31,093.84 : x
2. Step 2: Convert to fraction form
   56,585.92/78,089.86 = 31,093.84/x
3. Step 3: Cross multiply
   56,585.92x = 78,089.86 × 31,093.84
4. Step 4: Simplify right side
   56,585.92x = 2,428,113,612.46
5. Step 5: Solve for x
   x = 2,428,113,612.46/56,585.92
6. Step 6: Final answer
   x = 42,910.21