Finding the Fourth Proportional to 147,913.72, 204,219.41 and 87,503.72

Step by Step Solution

1. Step 1: Write the proportion equation
   147,913.72 : 204,219.41 = 87,503.72 : x
2. Step 2: Convert to fraction form
   147,913.72/204,219.41 = 87,503.72/x
3. Step 3: Cross multiply
   147,913.72x = 204,219.41 × 87,503.72
4. Step 4: Simplify right side
   147,913.72x = 17,869,956,612.59
5. Step 5: Solve for x
   x = 17,869,956,612.59/147,913.72
6. Step 6: Final answer
   x = 120,813.38