Finding the Fourth Proportional to 58,706.89, 81,073.05 and 40,604.00

Step by Step Solution

1. Step 1: Write the proportion equation
   58,706.89 : 81,073.05 = 40,604.00 : x
2. Step 2: Convert to fraction form
   58,706.89/81,073.05 = 40,604.00/x
3. Step 3: Cross multiply
   58,706.89x = 81,073.05 × 40,604.00
4. Step 4: Simplify right side
   58,706.89x = 3,291,889,716.83
5. Step 5: Solve for x
   x = 3,291,889,716.83/58,706.89
6. Step 6: Final answer
   x = 56,073.31