Finding the Fourth Proportional to 91,034.79, 136,371.96 and 42,937.53

Step by Step Solution

1. Step 1: Write the proportion equation
   91,034.79 : 136,371.96 = 42,937.53 : x
2. Step 2: Convert to fraction form
   91,034.79/136,371.96 = 42,937.53/x
3. Step 3: Cross multiply
   91,034.79x = 136,371.96 × 42,937.53
4. Step 4: Simplify right side
   91,034.79x = 5,855,475,123.66
5. Step 5: Solve for x
   x = 5,855,475,123.66/91,034.79
6. Step 6: Final answer
   x = 64,321.29