Finding the Fourth Proportional to 103,419.64, 155,085.54 and 36,876.52

Step by Step Solution

1. Step 1: Write the proportion equation
   103,419.64 : 155,085.54 = 36,876.52 : x
2. Step 2: Convert to fraction form
   103,419.64/155,085.54 = 36,876.52/x
3. Step 3: Cross multiply
   103,419.64x = 155,085.54 × 36,876.52
4. Step 4: Simplify right side
   103,419.64x = 5,719,015,017.52
5. Step 5: Solve for x
   x = 5,719,015,017.52/103,419.64
6. Step 6: Final answer
   x = 55,299.12