Finding the Fourth Proportional to 91,032.04, 136,367.83 and 42,934.78

Step by Step Solution

1. Step 1: Write the proportion equation
   91,032.04 : 136,367.83 = 42,934.78 : x
2. Step 2: Convert to fraction form
   91,032.04/136,367.83 = 42,934.78/x
3. Step 3: Cross multiply
   91,032.04x = 136,367.83 × 42,934.78
4. Step 4: Simplify right side
   91,032.04x = 5,854,922,780.13
5. Step 5: Solve for x
   x = 5,854,922,780.13/91,032.04
6. Step 6: Final answer
   x = 64,317.17