Finding the Fourth Proportional to 58,870.08, 81,270.81 and 45,411.12

Step by Step Solution

1. Step 1: Write the proportion equation
   58,870.08 : 81,270.81 = 45,411.12 : x
2. Step 2: Convert to fraction form
   58,870.08/81,270.81 = 45,411.12/x
3. Step 3: Cross multiply
   58,870.08x = 81,270.81 × 45,411.12
4. Step 4: Simplify right side
   58,870.08x = 3,690,598,505.41
5. Step 5: Solve for x
   x = 3,690,598,505.41/58,870.08
6. Step 6: Final answer
   x = 62,690.56