Finding the Fourth Proportional to 109,648.59, 151,339.03 and 69,415.99

Step by Step Solution

1. Step 1: Write the proportion equation
   109,648.59 : 151,339.03 = 69,415.99 : x
2. Step 2: Convert to fraction form
   109,648.59/151,339.03 = 69,415.99/x
3. Step 3: Cross multiply
   109,648.59x = 151,339.03 × 69,415.99
4. Step 4: Simplify right side
   109,648.59x = 10,505,348,431.67
5. Step 5: Solve for x
   x = 10,505,348,431.67/109,648.59
6. Step 6: Final answer
   x = 95,809.25