Finding the Fourth Proportional to 90,971.23, 136,483.16 and 37,653.35

Step by Step Solution

1. Step 1: Write the proportion equation
   90,971.23 : 136,483.16 = 37,653.35 : x
2. Step 2: Convert to fraction form
   90,971.23/136,483.16 = 37,653.35/x
3. Step 3: Cross multiply
   90,971.23x = 136,483.16 × 37,653.35
4. Step 4: Simplify right side
   90,971.23x = 5,139,048,192.59
5. Step 5: Solve for x
   x = 5,139,048,192.59/90,971.23
6. Step 6: Final answer
   x = 56,490.92