Finding the Fourth Proportional to 93,082.35, 128,454.52 and 55,349.31

Step by Step Solution

1. Step 1: Write the proportion equation
   93,082.35 : 128,454.52 = 55,349.31 : x
2. Step 2: Convert to fraction form
   93,082.35/128,454.52 = 55,349.31/x
3. Step 3: Cross multiply
   93,082.35x = 128,454.52 × 55,349.31
4. Step 4: Simplify right side
   93,082.35x = 7,109,869,048.38
5. Step 5: Solve for x
   x = 7,109,869,048.38/93,082.35
6. Step 6: Final answer
   x = 76,382.57