Finding the Fourth Proportional to 91,088.52, 136,636.87 and 27,904.03

Step by Step Solution

1. Step 1: Write the proportion equation
   91,088.52 : 136,636.87 = 27,904.03 : x
2. Step 2: Convert to fraction form
   91,088.52/136,636.87 = 27,904.03/x
3. Step 3: Cross multiply
   91,088.52x = 136,636.87 × 27,904.03
4. Step 4: Simplify right side
   91,088.52x = 3,812,719,319.59
5. Step 5: Solve for x
   x = 3,812,719,319.59/91,088.52
6. Step 6: Final answer
   x = 41,857.30