Finding the Fourth Proportional to 58,219.71, 80,296.20 and 39,093.72

Step by Step Solution

1. Step 1: Write the proportion equation
   58,219.71 : 80,296.20 = 39,093.72 : x
2. Step 2: Convert to fraction form
   58,219.71/80,296.20 = 39,093.72/x
3. Step 3: Cross multiply
   58,219.71x = 80,296.20 × 39,093.72
4. Step 4: Simplify right side
   58,219.71x = 3,139,077,159.86
5. Step 5: Solve for x
   x = 3,139,077,159.86/58,219.71
6. Step 6: Final answer
   x = 53,917.77