Finding the Fourth Proportional to 112,302.59, 154,927.89 and 75,991.10

Step by Step Solution

1. Step 1: Write the proportion equation
   112,302.59 : 154,927.89 = 75,991.10 : x
2. Step 2: Convert to fraction form
   112,302.59/154,927.89 = 75,991.10/x
3. Step 3: Cross multiply
   112,302.59x = 154,927.89 × 75,991.10
4. Step 4: Simplify right side
   112,302.59x = 11,773,140,007.14
5. Step 5: Solve for x
   x = 11,773,140,007.14/112,302.59
6. Step 6: Final answer
   x = 104,834.10