Finding the Fourth Proportional to 111,602.61, 153,953.87 and 69,087.33

Step by Step Solution

1. Step 1: Write the proportion equation
   111,602.61 : 153,953.87 = 69,087.33 : x
2. Step 2: Convert to fraction form
   111,602.61/153,953.87 = 69,087.33/x
3. Step 3: Cross multiply
   111,602.61x = 153,953.87 × 69,087.33
4. Step 4: Simplify right side
   111,602.61x = 10,636,261,476.03
5. Step 5: Solve for x
   x = 10,636,261,476.03/111,602.61
6. Step 6: Final answer
   x = 95,304.77