Finding the Fourth Proportional to 113,789.61, 156,773.27 and 79,301.84

Step by Step Solution

1. Step 1: Write the proportion equation
   113,789.61 : 156,773.27 = 79,301.84 : x
2. Step 2: Convert to fraction form
   113,789.61/156,773.27 = 79,301.84/x
3. Step 3: Cross multiply
   113,789.61x = 156,773.27 × 79,301.84
4. Step 4: Simplify right side
   113,789.61x = 12,432,408,188.21
5. Step 5: Solve for x
   x = 12,432,408,188.21/113,789.61
6. Step 6: Final answer
   x = 109,257.85