Finding the Fourth Proportional to 154,061.05, 231,088.48 and 69,805.51

Step by Step Solution

1. Step 1: Write the proportion equation
   154,061.05 : 231,088.48 = 69,805.51 : x
2. Step 2: Convert to fraction form
   154,061.05/231,088.48 = 69,805.51/x
3. Step 3: Cross multiply
   154,061.05x = 231,088.48 × 69,805.51
4. Step 4: Simplify right side
   154,061.05x = 16,131,249,068.75
5. Step 5: Solve for x
   x = 16,131,249,068.75/154,061.05
6. Step 6: Final answer
   x = 104,706.86