Finding the Fourth Proportional to 92,963, 128,626.72 and 81,051.14

Step by Step Solution

1. Step 1: Write the proportion equation
   92,963 : 128,626.72 = 81,051.14 : x
2. Step 2: Convert to fraction form
   92,963/128,626.72 = 81,051.14/x
3. Step 3: Cross multiply
   92,963x = 128,626.72 × 81,051.14
4. Step 4: Simplify right side
   92,963x = 10,425,342,290.46
5. Step 5: Solve for x
   x = 10,425,342,290.46/92,963
6. Step 6: Final answer
   x = 112,145.07