Finding the Fourth Proportional to 87,039.18, 120,150.81 and 58,783.14

Step by Step Solution

1. Step 1: Write the proportion equation
   87,039.18 : 120,150.81 = 58,783.14 : x
2. Step 2: Convert to fraction form
   87,039.18/120,150.81 = 58,783.14/x
3. Step 3: Cross multiply
   87,039.18x = 120,150.81 × 58,783.14
4. Step 4: Simplify right side
   87,039.18x = 7,062,841,885.34
5. Step 5: Solve for x
   x = 7,062,841,885.34/87,039.18
6. Step 6: Final answer
   x = 81,145.55