Finding the Fourth Proportional to 453,258.72, 679,885.56 and 116,298.72

Step by Step Solution

1. Step 1: Write the proportion equation
   453,258.72 : 679,885.56 = 116,298.72 : x
2. Step 2: Convert to fraction form
   453,258.72/679,885.56 = 116,298.72/x
3. Step 3: Cross multiply
   453,258.72x = 679,885.56 × 116,298.72
4. Step 4: Simplify right side
   453,258.72x = 79,069,820,374.48
5. Step 5: Solve for x
   x = 79,069,820,374.48/453,258.72
6. Step 6: Final answer
   x = 174,447.43