Finding the Fourth Proportional to 58,905, 81,288.27 and 35,031.15

Step by Step Solution

1. Step 1: Write the proportion equation
   58,905 : 81,288.27 = 35,031.15 : x
2. Step 2: Convert to fraction form
   58,905/81,288.27 = 35,031.15/x
3. Step 3: Cross multiply
   58,905x = 81,288.27 × 35,031.15
4. Step 4: Simplify right side
   58,905x = 2,847,621,579.61
5. Step 5: Solve for x
   x = 2,847,621,579.61/58,905
6. Step 6: Final answer
   x = 48,342.61