Finding the Fourth Proportional to 114,423.12, 157,901.04 and 69,138.72

Step by Step Solution

1. Step 1: Write the proportion equation
   114,423.12 : 157,901.04 = 69,138.72 : x
2. Step 2: Convert to fraction form
   114,423.12/157,901.04 = 69,138.72/x
3. Step 3: Cross multiply
   114,423.12x = 157,901.04 × 69,138.72
4. Step 4: Simplify right side
   114,423.12x = 10,917,075,792.27
5. Step 5: Solve for x
   x = 10,917,075,792.27/114,423.12
6. Step 6: Final answer
   x = 95,409.70