Finding the Fourth Proportional to 91,123.03, 136,683.73 and 28,793.53

Step by Step Solution

1. Step 1: Write the proportion equation
   91,123.03 : 136,683.73 = 28,793.53 : x
2. Step 2: Convert to fraction form
   91,123.03/136,683.73 = 28,793.53/x
3. Step 3: Cross multiply
   91,123.03x = 136,683.73 × 28,793.53
4. Step 4: Simplify right side
   91,123.03x = 3,935,607,080.27
5. Step 5: Solve for x
   x = 3,935,607,080.27/91,123.03
6. Step 6: Final answer
   x = 43,190.04