Finding the Fourth Proportional to 58,191.52, 80,328.72 and 51,193.12

Step by Step Solution

1. Step 1: Write the proportion equation
   58,191.52 : 80,328.72 = 51,193.12 : x
2. Step 2: Convert to fraction form
   58,191.52/80,328.72 = 51,193.12/x
3. Step 3: Cross multiply
   58,191.52x = 80,328.72 × 51,193.12
4. Step 4: Simplify right side
   58,191.52x = 4,112,277,802.41
5. Step 5: Solve for x
   x = 4,112,277,802.41/58,191.52
6. Step 6: Final answer
   x = 70,667.99