Finding the Fourth Proportional to 52,150.29, 78,224.61 and 12,707.34

Step by Step Solution

1. Step 1: Write the proportion equation
   52,150.29 : 78,224.61 = 12,707.34 : x
2. Step 2: Convert to fraction form
   52,150.29/78,224.61 = 12,707.34/x
3. Step 3: Cross multiply
   52,150.29x = 78,224.61 × 12,707.34
4. Step 4: Simplify right side
   52,150.29x = 994,026,715.64
5. Step 5: Solve for x
   x = 994,026,715.64/52,150.29
6. Step 6: Final answer
   x = 19,060.81