Finding the Fourth Proportional to 94,961.20, 142,325.16 and 53,320.72

Step by Step Solution

1. Step 1: Write the proportion equation
   94,961.20 : 142,325.16 = 53,320.72 : x
2. Step 2: Convert to fraction form
   94,961.20/142,325.16 = 53,320.72/x
3. Step 3: Cross multiply
   94,961.20x = 142,325.16 × 53,320.72
4. Step 4: Simplify right side
   94,961.20x = 7,588,880,005.32
5. Step 5: Solve for x
   x = 7,588,880,005.32/94,961.20
6. Step 6: Final answer
   x = 79,915.59