Finding the Fourth Proportional to 91,100.94, 136,655.58 and 27,916.50

Step by Step Solution

1. Step 1: Write the proportion equation
   91,100.94 : 136,655.58 = 27,916.50 : x
2. Step 2: Convert to fraction form
   91,100.94/136,655.58 = 27,916.50/x
3. Step 3: Cross multiply
   91,100.94x = 136,655.58 × 27,916.50
4. Step 4: Simplify right side
   91,100.94x = 3,814,945,499.07
5. Step 5: Solve for x
   x = 3,814,945,499.07/91,100.94
6. Step 6: Final answer
   x = 41,876.03