Finding the Fourth Proportional to 103,595.42, 154,636.83 and 88,898.78

Step by Step Solution

1. Step 1: Write the proportion equation
   103,595.42 : 154,636.83 = 88,898.78 : x
2. Step 2: Convert to fraction form
   103,595.42/154,636.83 = 88,898.78/x
3. Step 3: Cross multiply
   103,595.42x = 154,636.83 × 88,898.78
4. Step 4: Simplify right side
   103,595.42x = 13,747,025,916.66
5. Step 5: Solve for x
   x = 13,747,025,916.66/103,595.42
6. Step 6: Final answer
   x = 132,699.16