Finding the Fourth Proportional to 58,462.50, 80,678.16 and 31,605.03

Step by Step Solution

1. Step 1: Write the proportion equation
   58,462.50 : 80,678.16 = 31,605.03 : x
2. Step 2: Convert to fraction form
   58,462.50/80,678.16 = 31,605.03/x
3. Step 3: Cross multiply
   58,462.50x = 80,678.16 × 31,605.03
4. Step 4: Simplify right side
   58,462.50x = 2,549,835,667.14
5. Step 5: Solve for x
   x = 2,549,835,667.14/58,462.50
6. Step 6: Final answer
   x = 43,614.89