Finding the Fourth Proportional to 58,680.66, 80,978.76 and 31,823.76

Step by Step Solution

1. Step 1: Write the proportion equation
   58,680.66 : 80,978.76 = 31,823.76 : x
2. Step 2: Convert to fraction form
   58,680.66/80,978.76 = 31,823.76/x
3. Step 3: Cross multiply
   58,680.66x = 80,978.76 × 31,823.76
4. Step 4: Simplify right side
   58,680.66x = 2,577,048,623.34
5. Step 5: Solve for x
   x = 2,577,048,623.34/58,680.66
6. Step 6: Final answer
   x = 43,916.49