Finding the Fourth Proportional to 99,837.60, 137,541.75 and 69,568.00

Step by Step Solution

1. Step 1: Write the proportion equation
   99,837.60 : 137,541.75 = 69,568.00 : x
2. Step 2: Convert to fraction form
   99,837.60/137,541.75 = 69,568.00/x
3. Step 3: Cross multiply
   99,837.60x = 137,541.75 × 69,568.00
4. Step 4: Simplify right side
   99,837.60x = 9,568,503,859.27
5. Step 5: Solve for x
   x = 9,568,503,859.27/99,837.60
6. Step 6: Final answer
   x = 95,840.69