Finding the Fourth Proportional to 77,574.60, 116,368.56 and 21,414.69

Step by Step Solution

1. Step 1: Write the proportion equation
   77,574.60 : 116,368.56 = 21,414.69 : x
2. Step 2: Convert to fraction form
   77,574.60/116,368.56 = 21,414.69/x
3. Step 3: Cross multiply
   77,574.60x = 116,368.56 × 21,414.69
4. Step 4: Simplify right side
   77,574.60x = 2,491,996,638.15
5. Step 5: Solve for x
   x = 2,491,996,638.15/77,574.60
6. Step 6: Final answer
   x = 32,123.87