Finding the Fourth Proportional to 56,556, 78,050.52 and 31,407.12

Step by Step Solution

1. Step 1: Write the proportion equation
   56,556 : 78,050.52 = 31,407.12 : x
2. Step 2: Convert to fraction form
   56,556/78,050.52 = 31,407.12/x
3. Step 3: Cross multiply
   56,556x = 78,050.52 × 31,407.12
4. Step 4: Simplify right side
   56,556x = 2,451,342,047.70
5. Step 5: Solve for x
   x = 2,451,342,047.70/56,556
6. Step 6: Final answer
   x = 43,343.62