Finding the Fourth Proportional to 115,870.30, 173,601.03 and 101,478.18

Step by Step Solution

1. Step 1: Write the proportion equation
   115,870.30 : 173,601.03 = 101,478.18 : x
2. Step 2: Convert to fraction form
   115,870.30/173,601.03 = 101,478.18/x
3. Step 3: Cross multiply
   115,870.30x = 173,601.03 × 101,478.18
4. Step 4: Simplify right side
   115,870.30x = 17,616,716,570.53
5. Step 5: Solve for x
   x = 17,616,716,570.53/115,870.30
6. Step 6: Final answer
   x = 152,038.24