Finding the Fourth Proportional to 69,659.01, 96,131.34 and 40,980.69

Step by Step Solution

1. Step 1: Write the proportion equation
   69,659.01 : 96,131.34 = 40,980.69 : x
2. Step 2: Convert to fraction form
   69,659.01/96,131.34 = 40,980.69/x
3. Step 3: Cross multiply
   69,659.01x = 96,131.34 × 40,980.69
4. Step 4: Simplify right side
   69,659.01x = 3,939,528,643.82
5. Step 5: Solve for x
   x = 3,939,528,643.82/69,659.01
6. Step 6: Final answer
   x = 56,554.47