Finding the Fourth Proportional to 56,606.04, 78,118.56 and 31,455

Step by Step Solution

1. Step 1: Write the proportion equation
   56,606.04 : 78,118.56 = 31,455 : x
2. Step 2: Convert to fraction form
   56,606.04/78,118.56 = 31,455/x
3. Step 3: Cross multiply
   56,606.04x = 78,118.56 × 31,455
4. Step 4: Simplify right side
   56,606.04x = 2,457,219,304.80
5. Step 5: Solve for x
   x = 2,457,219,304.80/56,606.04
6. Step 6: Final answer
   x = 43,409.14