Finding the Fourth Proportional to 56,379.04, 83,924.30 and 55,538.18

Step by Step Solution

1. Step 1: Write the proportion equation
   56,379.04 : 83,924.30 = 55,538.18 : x
2. Step 2: Convert to fraction form
   56,379.04/83,924.30 = 55,538.18/x
3. Step 3: Cross multiply
   56,379.04x = 83,924.30 × 55,538.18
4. Step 4: Simplify right side
   56,379.04x = 4,661,003,149.75
5. Step 5: Solve for x
   x = 4,661,003,149.75/56,379.04
6. Step 6: Final answer
   x = 82,672.63