Finding the Fourth Proportional to 91,685.02, 137,498.72 and 35,521.24

Step by Step Solution

1. Step 1: Write the proportion equation
   91,685.02 : 137,498.72 = 35,521.24 : x
2. Step 2: Convert to fraction form
   91,685.02/137,498.72 = 35,521.24/x
3. Step 3: Cross multiply
   91,685.02x = 137,498.72 × 35,521.24
4. Step 4: Simplify right side
   91,685.02x = 4,884,125,032.81
5. Step 5: Solve for x
   x = 4,884,125,032.81/91,685.02
6. Step 6: Final answer
   x = 53,270.70