Finding the Fourth Proportional to 91,032.79, 136,368.96 and 42,935.53

Step by Step Solution

1. Step 1: Write the proportion equation
   91,032.79 : 136,368.96 = 42,935.53 : x
2. Step 2: Convert to fraction form
   91,032.79/136,368.96 = 42,935.53/x
3. Step 3: Cross multiply
   91,032.79x = 136,368.96 × 42,935.53
4. Step 4: Simplify right side
   91,032.79x = 5,855,073,573.15
5. Step 5: Solve for x
   x = 5,855,073,573.15/91,032.79
6. Step 6: Final answer
   x = 64,318.29