Finding the Fourth Proportional to 69,401.90, 104,087.25 and 31,925.99

Step by Step Solution

1. Step 1: Write the proportion equation
   69,401.90 : 104,087.25 = 31,925.99 : x
2. Step 2: Convert to fraction form
   69,401.90/104,087.25 = 31,925.99/x
3. Step 3: Cross multiply
   69,401.90x = 104,087.25 × 31,925.99
4. Step 4: Simplify right side
   69,401.90x = 3,323,088,502.63
5. Step 5: Solve for x
   x = 3,323,088,502.63/69,401.90
6. Step 6: Final answer
   x = 47,881.81