Finding the Fourth Proportional to 91,068.51, 136,569.94 and 38,482.09

Step by Step Solution

1. Step 1: Write the proportion equation
   91,068.51 : 136,569.94 = 38,482.09 : x
2. Step 2: Convert to fraction form
   91,068.51/136,569.94 = 38,482.09/x
3. Step 3: Cross multiply
   91,068.51x = 136,569.94 × 38,482.09
4. Step 4: Simplify right side
   91,068.51x = 5,255,496,722.37
5. Step 5: Solve for x
   x = 5,255,496,722.37/91,068.51
6. Step 6: Final answer
   x = 57,709.26