Finding the Fourth Proportional to 58,642.73, 80,926.52 and 31,784.55

Step by Step Solution

1. Step 1: Write the proportion equation
   58,642.73 : 80,926.52 = 31,784.55 : x
2. Step 2: Convert to fraction form
   58,642.73/80,926.52 = 31,784.55/x
3. Step 3: Cross multiply
   58,642.73x = 80,926.52 × 31,784.55
4. Step 4: Simplify right side
   58,642.73x = 2,572,213,103.47
5. Step 5: Solve for x
   x = 2,572,213,103.47/58,642.73
6. Step 6: Final answer
   x = 43,862.43