Finding the Fourth Proportional to 58,685.47, 80,985.72 and 31,827.87

Step by Step Solution

1. Step 1: Write the proportion equation
   58,685.47 : 80,985.72 = 31,827.87 : x
2. Step 2: Convert to fraction form
   58,685.47/80,985.72 = 31,827.87/x
3. Step 3: Cross multiply
   58,685.47x = 80,985.72 × 31,827.87
4. Step 4: Simplify right side
   58,685.47x = 2,577,602,808.88
5. Step 5: Solve for x
   x = 2,577,602,808.88/58,685.47
6. Step 6: Final answer
   x = 43,922.33