Finding the Fourth Proportional to 114,085.40, 157,443.75 and 65,694.51

Step by Step Solution

1. Step 1: Write the proportion equation
   114,085.40 : 157,443.75 = 65,694.51 : x
2. Step 2: Convert to fraction form
   114,085.40/157,443.75 = 65,694.51/x
3. Step 3: Cross multiply
   114,085.40x = 157,443.75 × 65,694.51
4. Step 4: Simplify right side
   114,085.40x = 10,343,190,008.81
5. Step 5: Solve for x
   x = 10,343,190,008.81/114,085.40
6. Step 6: Final answer
   x = 90,661.82