Finding the Fourth Proportional to 113,120.52, 169,702.64 and 42,994.37

Step by Step Solution

1. Step 1: Write the proportion equation
   113,120.52 : 169,702.64 = 42,994.37 : x
2. Step 2: Convert to fraction form
   113,120.52/169,702.64 = 42,994.37/x
3. Step 3: Cross multiply
   113,120.52x = 169,702.64 × 42,994.37
4. Step 4: Simplify right side
   113,120.52x = 7,296,258,094.14
5. Step 5: Solve for x
   x = 7,296,258,094.14/113,120.52
6. Step 6: Final answer
   x = 64,499.86