Finding the Fourth Proportional to 58,012.02, 80,054.70 and 34,140

Step by Step Solution

1. Step 1: Write the proportion equation
   58,012.02 : 80,054.70 = 34,140 : x
2. Step 2: Convert to fraction form
   58,012.02/80,054.70 = 34,140/x
3. Step 3: Cross multiply
   58,012.02x = 80,054.70 × 34,140
4. Step 4: Simplify right side
   58,012.02x = 2,733,067,458
5. Step 5: Solve for x
   x = 2,733,067,458/58,012.02
6. Step 6: Final answer
   x = 47,112.09