Finding the Fourth Proportional to 113,858.34, 156,978.24 and 93,365.15

Step by Step Solution

1. Step 1: Write the proportion equation
   113,858.34 : 156,978.24 = 93,365.15 : x
2. Step 2: Convert to fraction form
   113,858.34/156,978.24 = 93,365.15/x
3. Step 3: Cross multiply
   113,858.34x = 156,978.24 × 93,365.15
4. Step 4: Simplify right side
   113,858.34x = 14,656,296,139.44
5. Step 5: Solve for x
   x = 14,656,296,139.44/113,858.34
6. Step 6: Final answer
   x = 128,723.96