Finding the Fourth Proportional to 113,746.34, 157,020.28 and 73,479.72

Step by Step Solution

1. Step 1: Write the proportion equation
   113,746.34 : 157,020.28 = 73,479.72 : x
2. Step 2: Convert to fraction form
   113,746.34/157,020.28 = 73,479.72/x
3. Step 3: Cross multiply
   113,746.34x = 157,020.28 × 73,479.72
4. Step 4: Simplify right side
   113,746.34x = 11,537,806,208.72
5. Step 5: Solve for x
   x = 11,537,806,208.72/113,746.34
6. Step 6: Final answer
   x = 101,434.53