Finding the Fourth Proportional to 56,583.31, 78,085.52 and 31,089.27

Step by Step Solution

1. Step 1: Write the proportion equation
   56,583.31 : 78,085.52 = 31,089.27 : x
2. Step 2: Convert to fraction form
   56,583.31/78,085.52 = 31,089.27/x
3. Step 3: Cross multiply
   56,583.31x = 78,085.52 × 31,089.27
4. Step 4: Simplify right side
   56,583.31x = 2,427,621,423.94
5. Step 5: Solve for x
   x = 2,427,621,423.94/56,583.31
6. Step 6: Final answer
   x = 42,903.49