Finding the Fourth Proportional to 82,130.56, 122,888.22 and 58,492.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,130.56 : 122,888.22 = 58,492.72 : x
2. Step 2: Convert to fraction form
   82,130.56/122,888.22 = 58,492.72/x
3. Step 3: Cross multiply
   82,130.56x = 122,888.22 × 58,492.72
4. Step 4: Simplify right side
   82,130.56x = 7,188,066,243.76
5. Step 5: Solve for x
   x = 7,188,066,243.76/82,130.56
6. Step 6: Final answer
   x = 87,520.00