Finding the Fourth Proportional to 90,838.32, 136,273.77 and 37,530.30

Step by Step Solution

1. Step 1: Write the proportion equation
   90,838.32 : 136,273.77 = 37,530.30 : x
2. Step 2: Convert to fraction form
   90,838.32/136,273.77 = 37,530.30/x
3. Step 3: Cross multiply
   90,838.32x = 136,273.77 × 37,530.30
4. Step 4: Simplify right side
   90,838.32x = 5,114,395,470.23
5. Step 5: Solve for x
   x = 5,114,395,470.23/90,838.32
6. Step 6: Final answer
   x = 56,302.18