Finding the Fourth Proportional to 113,117.52, 169,698.14 and 42,991.37

Step by Step Solution

1. Step 1: Write the proportion equation
   113,117.52 : 169,698.14 = 42,991.37 : x
2. Step 2: Convert to fraction form
   113,117.52/169,698.14 = 42,991.37/x
3. Step 3: Cross multiply
   113,117.52x = 169,698.14 × 42,991.37
4. Step 4: Simplify right side
   113,117.52x = 7,295,554,784.04
5. Step 5: Solve for x
   x = 7,295,554,784.04/113,117.52
6. Step 6: Final answer
   x = 64,495.36