Finding the Fourth Proportional to 58,456.12, 80,670.04 and 31,599.16

Step by Step Solution

1. Step 1: Write the proportion equation
   58,456.12 : 80,670.04 = 31,599.16 : x
2. Step 2: Convert to fraction form
   58,456.12/80,670.04 = 31,599.16/x
3. Step 3: Cross multiply
   58,456.12x = 80,670.04 × 31,599.16
4. Step 4: Simplify right side
   58,456.12x = 2,549,105,501.17
5. Step 5: Solve for x
   x = 2,549,105,501.17/58,456.12
6. Step 6: Final answer
   x = 43,607.16