Finding the Fourth Proportional to 93,085.08, 128,447.82 and 55,352.04

Step by Step Solution

1. Step 1: Write the proportion equation
   93,085.08 : 128,447.82 = 55,352.04 : x
2. Step 2: Convert to fraction form
   93,085.08/128,447.82 = 55,352.04/x
3. Step 3: Cross multiply
   93,085.08x = 128,447.82 × 55,352.04
4. Step 4: Simplify right side
   93,085.08x = 7,109,848,870.55
5. Step 5: Solve for x
   x = 7,109,848,870.55/93,085.08
6. Step 6: Final answer
   x = 76,380.11