Finding the Fourth Proportional to 58,642.75, 80,926.54 and 31,784.57

Step by Step Solution

1. Step 1: Write the proportion equation
   58,642.75 : 80,926.54 = 31,784.57 : x
2. Step 2: Convert to fraction form
   58,642.75/80,926.54 = 31,784.57/x
3. Step 3: Cross multiply
   58,642.75x = 80,926.54 × 31,784.57
4. Step 4: Simplify right side
   58,642.75x = 2,572,215,116.56
5. Step 5: Solve for x
   x = 2,572,215,116.56/58,642.75
6. Step 6: Final answer
   x = 43,862.46