Finding the Fourth Proportional to 56,600.08, 78,109.16 and 31,451.92

Step by Step Solution

1. Step 1: Write the proportion equation
   56,600.08 : 78,109.16 = 31,451.92 : x
2. Step 2: Convert to fraction form
   56,600.08/78,109.16 = 31,451.92/x
3. Step 3: Cross multiply
   56,600.08x = 78,109.16 × 31,451.92
4. Step 4: Simplify right side
   56,600.08x = 2,456,683,051.59
5. Step 5: Solve for x
   x = 2,456,683,051.59/56,600.08
6. Step 6: Final answer
   x = 43,404.23