Finding the Fourth Proportional to 83,637.96, 115,417.27 and 47,827.05

Step by Step Solution

1. Step 1: Write the proportion equation
   83,637.96 : 115,417.27 = 47,827.05 : x
2. Step 2: Convert to fraction form
   83,637.96/115,417.27 = 47,827.05/x
3. Step 3: Cross multiply
   83,637.96x = 115,417.27 × 47,827.05
4. Step 4: Simplify right side
   83,637.96x = 5,520,067,543.15
5. Step 5: Solve for x
   x = 5,520,067,543.15/83,637.96
6. Step 6: Final answer
   x = 65,999.55