Finding the Fourth Proportional to 132,980.72, 199,529.57 and 69,786

Step by Step Solution

1. Step 1: Write the proportion equation
   132,980.72 : 199,529.57 = 69,786 : x
2. Step 2: Convert to fraction form
   132,980.72/199,529.57 = 69,786/x
3. Step 3: Cross multiply
   132,980.72x = 199,529.57 × 69,786
4. Step 4: Simplify right side
   132,980.72x = 13,924,370,746.49
5. Step 5: Solve for x
   x = 13,924,370,746.49/132,980.72
6. Step 6: Final answer
   x = 104,709.70