Finding the Fourth Proportional to 60,717.47, 91,116.63 and 21,274.52

Step by Step Solution

1. Step 1: Write the proportion equation
   60,717.47 : 91,116.63 = 21,274.52 : x
2. Step 2: Convert to fraction form
   60,717.47/91,116.63 = 21,274.52/x
3. Step 3: Cross multiply
   60,717.47x = 91,116.63 × 21,274.52
4. Step 4: Simplify right side
   60,717.47x = 1,938,462,111.68
5. Step 5: Solve for x
   x = 1,938,462,111.68/60,717.47
6. Step 6: Final answer
   x = 31,925.94