Finding the Fourth Proportional to 58,778.06, 81,115.32 and 34,580.72

Step by Step Solution

1. Step 1: Write the proportion equation
   58,778.06 : 81,115.32 = 34,580.72 : x
2. Step 2: Convert to fraction form
   58,778.06/81,115.32 = 34,580.72/x
3. Step 3: Cross multiply
   58,778.06x = 81,115.32 × 34,580.72
4. Step 4: Simplify right side
   58,778.06x = 2,805,026,168.63
5. Step 5: Solve for x
   x = 2,805,026,168.63/58,778.06
6. Step 6: Final answer
   x = 47,722.33