Finding the Fourth Proportional to 56,594.08, 78,096.40 and 31,442.72

Step by Step Solution

1. Step 1: Write the proportion equation
   56,594.08 : 78,096.40 = 31,442.72 : x
2. Step 2: Convert to fraction form
   56,594.08/78,096.40 = 31,442.72/x
3. Step 3: Cross multiply
   56,594.08x = 78,096.40 × 31,442.72
4. Step 4: Simplify right side
   56,594.08x = 2,455,563,238.21
5. Step 5: Solve for x
   x = 2,455,563,238.21/56,594.08
6. Step 6: Final answer
   x = 43,389.05