Finding the Fourth Proportional to 93,103.32, 139,022.52 and 90,581.04

Step by Step Solution

1. Step 1: Write the proportion equation
   93,103.32 : 139,022.52 = 90,581.04 : x
2. Step 2: Convert to fraction form
   93,103.32/139,022.52 = 90,581.04/x
3. Step 3: Cross multiply
   93,103.32x = 139,022.52 × 90,581.04
4. Step 4: Simplify right side
   93,103.32x = 12,592,804,445.02
5. Step 5: Solve for x
   x = 12,592,804,445.02/93,103.32
6. Step 6: Final answer
   x = 135,256.23