Finding the Fourth Proportional to 91,631.76, 137,404.20 and 35,498.16

Step by Step Solution

1. Step 1: Write the proportion equation
   91,631.76 : 137,404.20 = 35,498.16 : x
2. Step 2: Convert to fraction form
   91,631.76/137,404.20 = 35,498.16/x
3. Step 3: Cross multiply
   91,631.76x = 137,404.20 × 35,498.16
4. Step 4: Simplify right side
   91,631.76x = 4,877,596,276.27
5. Step 5: Solve for x
   x = 4,877,596,276.27/91,631.76
6. Step 6: Final answer
   x = 53,230.41