Finding the Fourth Proportional to 113,591.89, 170,199.51 and 69,084.01

Step by Step Solution

1. Step 1: Write the proportion equation
   113,591.89 : 170,199.51 = 69,084.01 : x
2. Step 2: Convert to fraction form
   113,591.89/170,199.51 = 69,084.01/x
3. Step 3: Cross multiply
   113,591.89x = 170,199.51 × 69,084.01
4. Step 4: Simplify right side
   113,591.89x = 11,758,064,650.84
5. Step 5: Solve for x
   x = 11,758,064,650.84/113,591.89
6. Step 6: Final answer
   x = 103,511.48