Finding the Fourth Proportional to 69,590.42, 104,385.34 and 25,206.78

Step by Step Solution

1. Step 1: Write the proportion equation
   69,590.42 : 104,385.34 = 25,206.78 : x
2. Step 2: Convert to fraction form
   69,590.42/104,385.34 = 25,206.78/x
3. Step 3: Cross multiply
   69,590.42x = 104,385.34 × 25,206.78
4. Step 4: Simplify right side
   69,590.42x = 2,631,218,300.61
5. Step 5: Solve for x
   x = 2,631,218,300.61/69,590.42
6. Step 6: Final answer
   x = 37,810.06